1) Act the nitpicker 2) Annoying objection 3) Be a carper 4) Be petty 5) Bitch and moan 6) Carp 7) Complain 8) Complain pettily 9) Continually criticize 10) Engage in quibbling 11) Equivocation 12) Evasion 13) Find fault 14) Find fault needlessly 15) Find fault with unnecessarily 16) French word used in English 1) Beef 2) Carp 3) Equivocate 4) Nitpick 5) Quibble 6) Quiddity 7) Snipe at 
to raise trivial and frivolous objections
Large, fore-and-aft cleat for belaying heavy lines. Also called kevel, kevil, and cavel.
• (v. t.) To cavil at. • (n.) A captious or frivolous objection. • (v. i.) To raise captious and frivolous objections; to find fault without good reason.
Cav'il (kăv'ĭl) intransitive verb [ imperfect & past participle Caviled or Cavilled ; present participle & verbal noun Caviling or Cavilling .] [ Latin cavillari to practice jesting, to censure, from ...Cav'il noun A captious or frivolous objection. « All the cavils of prejudice and unbelief. Shak. » Cav'il transitive verb To cavil at. [ Obsolete] Milton. 
[v] - raise trivial objections
carp verb raise trivial objections