snip vs lop

snip is a noun but lop is not a noun.

Word	Noun	Adjective	Verb	Adverb
snip	Yes	No	Yes	No
lop	No	No	Yes	No

As verbs, snip and lop are synonyms defined as:

Other synonyms of snip include clip, crop, cut back, dress, prune, trim.

snip (noun)	lop (noun)
the act of clipping or snipping
a small piece of anything (especially a piece that has been snipped off)

snip (verb)	lop (verb)
cultivate, tend, and cut back the growth of	cultivate, tend, and cut back the growth of
sever or remove by pinching or snipping	cut off from a whole