animal foot vs trotter

animal foot and trotter both are nouns.

Word	Noun	Adjective	Verb	Adverb
animal foot	Yes	No	No	No
trotter	Yes	No	No	No

As nouns, trotter is a hyponym of animal foot; that is, trotter is a word with a more specific, narrower meaning than animal foot:

Other hyponyms of animal foot include fossorial foot, hoof, bird's foot, webfoot, forefoot, hindfoot, paw.

animal foot (noun)	trotter (noun)
the pedal extremity of vertebrates other than human beings	a horse trained to trot; especially a horse trained for harness racing
	foot of a pig or sheep especially one used as food