Cavil

As a verb, cavil means to raise trivial objections; to quibble; to evade the point of an argument by raising irrelevant distinctions or objections; to criticise for petty reasons. As a noun it means a petty or trivial objection or criticism.

Cavil

To cavil is to raise a trivial objection or quibble.
“...ready to accept without cavil whatever he was told by those who were in authority over him...”
Samuel Butler – “The Way of All Flesh”