11 letters

explanative ∙ unemanative nonsanative designative ∙ combinative ∙ fascinative ∙ imaginative ∙ originative ∙ examinative Eliminative ∙ criminative ∙ culminative comminative ∙ carminative ∙ germinative ∙ terminative ∙ obstinative glutinative condonative personative ∙ incarnative gubernative alternative ∙ subornative ∙ coadunative ∙ mancipative dissipative ∙ inculpative ∙ exculpative syncopative ∙ extirpative ∙ nuncupative ∙ declarative ∙ preparative ∙ comparative ∙ celebrative ∙ adumbrative ∙ unlucrative verberative ponderative enumerative ∙ vulnerative exonerative ∙ temperative ∙ inoperative ∙ unoperative ∙ cooperative ∙ reiterative ∙ uniterative matterative integrative ∙ unmigrative denigrative ∙ respirative inspirative ∙ suspirative elaborative ∙ perforative ∙ meliorative ∙ explorative ∙ pignorative evaporative ∙ corporative ∙ restorative ∙ unnarrative penetrative ∙ impetrative ∙ arbitrative ∙ substrative ∙ prostrative frustrative subcurative ∙ noncurative procurative obscurative colourative suppurative ∙ mensurative ∙ unpulsative defensative ∙ intensative ∙ adversative ∙ uncausative objectative expectative ∙ qualitative ∙ inimitative unimitative crepitative ∙ charitative requitative gravitative ∙ facultative ∙ resultative ∙ orientative voluntative ∙ connotative ∙ nonrotative assertative dehortative ∙ unhortative cohortative ∙ exhortative ∙ assortative ∙ devastative ∙ potestative attestative ∙ confutative ∙ premutative Commutative ∙ nonmutative computative ∙ disputative ∙ attenuative extenuative ∙ insinuative ∙ punctuative ∙ aggravative deprivative ∙ cultivative captivative observative ∙ reservative nonreactive ∙ calefactive ∙ tumefactive benefactive rarefactive ∙ ramifactive vasifactive vasofactive radioactive ∙ retroactive ∙ introactive neuroactive ∙ photoactive ∙ underactive ∙ superactive ∙ hyperactive ∙ interactive ∙ diffractive ∙ subtractive ∙ contractive ∙ protractive ∙ abstractive ∙ distractive ∙ indefective undefective ineffective ∙ uneffective uninfective unabjective unobjective nonejective unrejective preelective nonelective ∙ unselective ∙ prespective prospective ∙ perspective ∙ vivisective ∙ uninvective maledictive ∙ benedictive ∙ conflictive ∙ restrictive ∙ precinctive Distinctive ∙ instinctive ∙ subjunctive ∙ conjunctive ∙ Disjunctive ∙ compunctive undeductive unseductive uninductive manuductive obstructive ∙ destructive ∙ instructive ∙ demulcetive nonvegetive disquietive ∙ undecretive unsecretive prohibitive ∙ subadditive nonadditive ∙ nonfugitive imprimitive unprimitive progenitive ∙ recognitive ∙ incognitive premonitive ∙ commonitive tribunitive premunitive communitive nonpunitive ∙ dispunitive itineritive preteritive ∙ innutritive unnutritive parturitive acquisitive ∙ inquisitive ∙ exquisitive insensitive ∙ unsensitive ∙ intensitive ∙ Diapositive ∙ prepositive ∙ compositive ∙ nonpositive geopositive suppositive ∙ dispositive ∙ competitive ∙ nonentitive unpartitive divestitive investitive ∙ deglutitive ∙ reintuitive unintuitive unresultive irresultive substantive ∙ reincentive temulentive argumentive ∙ unassentive unretentive ∙ irretentive ∙ reattentive inattentive ∙ unattentive ∙ uninventive ∙ terremotive ∙ vibromotive unpromotive preadaptive ∙ maladaptive ∙ nonadaptive ∙ undeceptive teleceptive beneceptive unreceptive ∙ irreceptive ∙ nociceptive ∙ uninceptive autoceptive unexceptive adscriptive descriptive ∙ rescriptive inscriptive ∙ subsumptive ∙ presumptive ∙ consumptive ∙ discerptive ∙ preeruptive noneruptive unirruptive unassertive ∙ undivertive nonexertive nonabortive contrastive ∙ manifestive indigestive ∙ uningestive locorestive ∙ unarrestive unresistive retributive ∙ attributive ∙ subsecutive consecutive ∙ prosecutive persecutive ∙ Flexecutive ∙ redargutive dissolutive ∙ convolutive transmutive restitutive ∙ institutive ∙ irreflexive ∙ Quadrivalve inequivalve ∙ unequivalve predissolve circumvolve ∙ overinvolve hereinabove ∙ sometribove counterlove countermove ∙ microgroove ∙ interstrove

12 letters

planoconcave uninterleave Angusticlave ferroinclave photoengrave ∙ superengrave contraoctave ∙ proparasceve underachieve ∙ undershrieve effervescive nonconducive disconducive monorecidive nonincendive nongerundive interreceive foreconceive circumscrive counterdrive forecontrive unpersuasive ∙ semiadhesive equicohesive overderisive semidivisive nonimpulsive uncompulsive retropulsive ∙ intropulsive nonexpulsive unconvulsive nonexpansive nondefensive preoffensive nonoffensive reprehensive ∙ unprehensive apprehensive ∙ recompensive extratensive normotensive ∙ hypertensive ∙ nonostensive preextensive nonextensive unresponsive ∙ irresponsive ∙ nonexplosive ∙ prepurposive nonpurposive ∙ noncorrosive ∙ extraversive ∙ unsubversive introversive ∙ extroversive ∙ unperversive transversive retrocursive undiscursive transcursive supermassive ∙ mediopassive unsuccessive ∙ nonrecessive retrocessive ∙ intercessive nonexcessive unregressive reaggressive inaggressive unaggressive ∙ undigressive undepressive unrepressive irrepressive unimpressive ∙ inoppressive unoppressive ∙ inexpressive ∙ unexpressive ∙ nonobsessive supersessive unpossessive insubmissive unsubmissive ∙ nonadmissive intromissive ∙ unpermissive intermissive ∙ transmissive ∙ repercussive ∙ unpercussive unapplausive ∙ overeffusive nonocclusive nonreclusive unpreclusive nonseclusive noninclusive inconclusive ∙ unconclusive ∙ preexclusive nonexclusive ∙ precollusive noncollusive preobtrusive nonintrusive ∙ unprotrusive nonextrusive noncombative ∙ nonprobative disprobative perturbative ∙ disturbative ∙ nonsiccative unabdicative unmedicative unindicative adjudicative ∙ unjudicative albificative rubificative modificative ∙ verificative ∙ purificative ∙ vivificative triplicative complicative ∙ supplicative nonfricative intoxicative ∙ nonevocative uninvocative noneducative miseducative mucosedative illucidative nonoxidative transudative unpermeative anticreative ∙ cinenegative seronegative ∙ congregative ∙ unobligative unmitigative unabrogative underogative nonpurgative depreciative ∙ appreciative ∙ denunciative ∙ renunciative ∙ annunciative ∙ consociative dissociative ∙ subradiative nonradiative nonmediative conciliative ∙ unpalliative calumniative uninitiative propitiative ∙ asphyxiative nontalkative scribblative nomenclative ∙ vasodilative annihilative ∙ assimilative ∙ deoppilative ∙ unmutilative flagellative compellative ∙ nonviolative articulative ∙ emasculative ∙ unmodulative unregulative nonemulative unsimulative accumulative ∙ uncumulative manipulative ∙ depopulative amalgamative ∙ desquamative ∙ inflammative consummative ∙ confirmative ∙ subformative preformative ∙ conformative nonformative

Words with a ∙ are valid Scrabble words (SOWPODS word list)