waffle vs linger over

waffle is a noun but linger over is not a noun.

Word	Noun	Adjective	Verb	Adverb
waffle	Yes	No	Yes	No
linger over	No	No	Yes	No

As verbs, linger over is a hyponym of waffle; that is, linger over is a word with a more specific, narrower meaning than waffle:

Other hyponyms of waffle include dwell on, boggle, hover, linger, hover, oscillate, vacillate, vibrate, falter, waver.

waffle (noun)	linger over (noun)
pancake batter baked in a waffle iron

waffle (verb)	linger over (verb)
pause or hold back in uncertainty or unwillingness	delay