cut down vs chop down

cut down and chop down both are verbs.

Word	Noun	Adjective	Verb	Adverb
cut down	No	No	Yes	No
chop down	No	No	Yes	No

As verbs, chop down is a hyponym of cut down; that is, chop down is a word with a more specific, narrower meaning than cut down:

Other hyponyms of cut down include poleax, poleaxe, log, lumber, cut.

cut down (verb)	chop down (verb)
cut down on; make a reduction in	cut down
intercept (a player)
cause to come or go down
cut with a blade or mower
cause to fall by or as if by delivering a blow
cut with sweeping strokes; as with an ax or machete