Objection, 7 letters
Petty complaint, 7 letters
Small grouse, 7 letters
Split hairs, 7 letters
An evasion of the point of an argument by raising irrelevant distinctions or objections, 7 letters
Carp?, 15 letters
Argued a bit, 8 letters
Equivocated, 8 letters
Nitpicked, 8 letters
Pettifogged, 8 letters
Minor objections, 8 letters
Nitpicking, 8 letters
Raises trivial objections, 8 letters
Takes issue, 8 letters
Arguing like children, 9 letters
Peninsula, on W. coast of France., 8 letters