2 letters

ox ∙ px rx sx

3 letters

Nyx pax ∙ pex pix ∙ pox ∙ pyx ∙ rex ∙ Sax ∙ sex ∙ sox ∙ tax ∙ Tex ∙

4 letters

obex Ofex onyx ∙ Opex oryx ∙ oxer ∙ roux ∙ Sfax shex Styx taxa ∙ taxi ∙ texo text ∙

5 letters

nymex nyxis oxbow ∙ oxide ∙ oxime ∙ oxter ∙ Paxil pexis phlox ∙ pixel ∙ pixie ∙ proxy ∙ pulex pyrex ∙ pyxis ∙ radix ∙ redox ∙ relax ∙ remex ∙ Rolex Romex rumex Salix ∙ Saxon Sinex Sioux Sixte ∙ sixth ∙ Strix Taxco taxis ∙ taxol ∙ taxon ∙ telex ∙ Texas ∙ Texel

6 letters

Oaxaca orexia orexis ∙ oxalis ∙ oxford ∙ oxygen ∙ oxygon oxymel ∙ pixels ∙ plexus ∙ pollex ∙ Pollux praxis ∙ prefix ∙ premix ∙ prolix ∙ reflex ∙ reflux ∙ rhexis ∙ saxony ∙ scolex ∙ Semtex sexism ∙ sextet ∙ sexton ∙ sexual ∙ Shanxi smilax ∙ spadix ∙ sphinx ∙ storax ∙ styrax ∙ suffix ∙ Sussex syntax ∙ syrinx ∙ taxane textus thorax ∙

7 letters

oxalate ∙ oxalism oxidant ∙ oxidase ∙ oxidize ∙ oxyacid ∙ oxyntic ∙ oxyopia oxyphil ∙ oxytone ∙ oxyurid Oxyuris panamax panorex paradox ∙ Perspex ∙ phalanx ∙ pharynx ∙ Pheonix phoenix ∙ pillbox ∙ poleaxe ∙ Polymox pretext ∙ pyrexia ∙ radixin rectrix ∙ Relaxer ∙ relaxin ∙ salpinx ∙ Sandbox ∙ saxhorn ∙ sextain ∙ sextant ∙ Shaanxi simplex ∙ Sixpack sixties ∙ soapbox ∙ Softbox spandex ∙ supplex Sycorax taxable ∙ textile ∙ texting ∙ textual ∙ texture ∙ Toolbox ∙

8 letters

orthodox ∙ ototoxic ∙ Oxalates ∙ oxalemia oxalosis oxaluria oxidases ∙ Oxidised ∙ oxidized ∙ oxidizer ∙ oximeter ∙ oximetry ∙ oxpecker ∙ oxyacoia oxyaphia oxygenic ∙ oxymoron ∙ oxyphobe oxyrhine oxytalan oxytocia oxytocic ∙ oxytocin ∙ parallax ∙ paraxial ∙ paroxysm ∙ patchbox paxillin periapex peroxide ∙ pertinax philodox phloxine plexitis poxvirus ∙ preaxial ∙ Prolixin proximad proximal ∙ pyrexial ∙ pyroxene ∙ quincunx ∙ quixotic ∙ reflexed ∙ relaxant ∙ saxatile ∙ sexology ∙ sixpence ∙ skatoxyl Slushbox smallpox ∙ Smokebox snuffbox ∙ spinifex ∙ supellex Supertax ∙ syntaxin syntexis ∙ taxation ∙ taxonomy ∙ Taxotere Taxpayer ∙ teletext ∙ textiles ∙ textrine thyroxin ∙ Tlaxcala toadflax ∙

9 letters

obnoxious ∙ ofloxacin orthodoxy ∙ oxidation ∙ Oxidising ∙ oxycodone ∙ oxygenase ∙ oxygenate ∙ oxygeusia oxyphilic ∙ oxyphonia paralexia ∙ parataxis ∙ parorexia pepperbox ∙ periaxial pixilated ∙ pleonexia ∙ plexiform ∙ podofilox poloxamer polymyxin ∙ pompholyx ∙ postaxial ∙ Praxidike prehallux ∙ prothorax ∙ proxemics ∙ proximate ∙ proximity ∙ pseudodox pyothorax pyrexical pyridoxal ∙ pyroxylin ∙ rectopexy reflexive ∙ retroflex ∙ rheotaxis ∙ rituximab rofecoxib saxifrage ∙ saxitoxin ∙ saxophone ∙ schizaxon serotaxis sextuplet ∙ sexuality ∙ sitotaxis sitotoxin stygoxene Subclimax ∙ subcortex ∙ tamoxifen ∙ taraxacum ∙ taxidermy ∙ taximeter ∙ taxonomic ∙ testatrix ∙ textiform Texturing ∙ thyroxine ∙

10 letters

omentopexy onychauxis orchiopexy orexigenic organopexy oropharynx ∙ orthopraxy ∙ otosalpinx oxybenzone oxyblepsia oxycephaly ∙ oxycinesis oxygenated ∙ oxygenates ∙ oxygenator ∙ oxyphilous oxyphobous oxyuricide paclitaxel ∙ paracortex parapraxia parapraxis ∙ paroxetine ∙ paroxysmal ∙ periaxonal peroxidase ∙ peroxisome ∙ phacotoxic philoxenia ∙ phonolexis phototaxis ∙ phototoxic ∙ phyllotaxy ∙ phylloxera ∙ phytotoxic ∙ phytotoxin ∙ plexopathy polyxenous Poxviridae praxiology Praxiteles premaxilla ∙ proximalis pycnoxylic pyosalpinx pyridoxine ∙ raloxifene relaxation ∙ retinopexy saxicavous ∙ saxicoline ∙ saxicolous ∙ separatrix ∙ sexophobia sitotoxism splenopexy Sporothrix stereotaxy superoxide ∙ Taxonomist ∙ Texturizer theomastix thixotropy ∙ thyrotoxic

11 letters

odontoloxia oophoropexy orchidopexy organotaxis orthodeoxia orthopraxis ∙ ototoxicity ∙ oxandrolone oxycephalia oxycephalic ∙ oxyesthesia oxygenation ∙ pachymeninx paleocortex paradoxical ∙ paraoxonase paraphraxis ∙ pediphalanx planoconvex pneumotaxic prophylaxis ∙ Proxyholder psychataxia QuarkXPress reflexivity ∙ reflexology ∙ saxifragous scapulopexy sclerothrix semiflexion sexdigitate sialosyrinx spermotoxin splenotoxin stenothorax stenoxenous stereotaxis ∙ subluxation ∙ taxidermist ∙ textophobia thermotaxis ∙ thigmotaxis ∙ thioredoxin thixotropic ∙ thromboxane ∙

12 letters

overexposure ∙ oxaloacetate ∙ oxyacanthous oxyaesthesia oxychromatic oxyluciferin oxymetholone oxymyoglobin oxyquinoline Parapoxvirus periaxillary phytoalexins ∙ phytotoxemia Pixelization pneumonopexy pneumothorax ∙ Pogonomyrmex praxinoscope ∙ Preexistence ∙ premaxillary ∙ pseudomyxoma psychosexual ∙ pyridoxamine ∙ radiotoxemia reflexogenic reflexograph reflexometer retroflexion ∙ salpingopexy sexagenarian ∙ sigmoidopexy Simplexvirus somatosexual submaxillary ∙ supramaxilla tachyauxesis tarichatoxin tetrodotoxin ∙ thioxanthene thixotropism thromboxanes ∙

13 letters

onychorrhexis orthopoxvirus ovariorrhexis oxazolidinone oxyhemoglobin ∙ oxymetazoline paramyxovirus ∙ pelvifixation phleborrhexis phototoxicity ∙ physiopyrexia pilomatrixoma polyauxotroph preexcitation proximoataxia proximobuccal psychonoxious pyohemothorax pyrexiophobia Radiotoxicity reflexogenous rhodophylaxis staphylotoxin suxamethonium tachyphylaxis ∙

14 letters

omentofixation omphalorrhexis orthomyxovirus oxidoreductase ∙ pentoxifylline phlebemphraxis phrenemphraxis Premaxillaries ∙ pseudoapoplexy pseudocoxalgia pseudosmallpox reflexotherapy rickettsialpox scleromyxedema stylomaxillary supramaxillary ∙ thermoexcitory thyrotoxicosis ∙

15 letters

oxytetracycline ∙ palatomaxillary Paramyxoviridae physopyosalpinx podophyllotoxin posteroexternal pyopneumothorax sphenomaxillary thallotoxicosis

16 letters

ophthalmorrhexis Orthomyxoviridae phacoanaphylaxis pneumohemothorax psychorelaxation pterygomaxillary salpingemphraxis sulfamethoxazole temporomaxillary

17 letters

pancreatemphraxis pneumohydrothorax psychoprophylaxis rhinotillexomania

19 letters

procarboxypeptidase

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