calf vs leppy

calf and leppy both are nouns.

Word	Noun	Adjective	Verb	Adverb
calf	Yes	No	No	No
leppy	Yes	No	No	No

As nouns, leppy is a hyponym of calf; that is, leppy is a word with a more specific, narrower meaning than calf:

Other hyponyms of calf include dogie, dogy, maverick.

calf (noun)	leppy (noun)
young of domestic cattle	motherless calf in a range herd of cattle
young of various large placental mammals e.g. whale or giraffe or elephant or buffalo
the muscular back part of the shank
fine leather from the skin of a calf