Nitpick and Run down

Nitpick verb - To make often peevish criticisms or objections about matters that are minor, unimportant, or irrelevant.

Run down and nitpick are semantically related. In some cases you can use "Run down" instead a verb "Nitpick".

Run down verb - To come upon after searching, study, or effort.

Nitpick and run down are semantically related. Sometimes you can use "Nitpick" instead a verb "Run down".