tot vs nipper

tot and nipper both are nouns.

Word	Noun	Adjective	Verb	Adverb
tot	Yes	No	Yes	No
nipper	Yes	No	No	No

As nouns, nipper is a hypernym of tot; that is, nipper is a word with a broader meaning than tot:

Other hypernyms of tot include child, fry, kid, minor, nestling, shaver, small fry, tiddler, tike, tyke, youngster.

tot (noun)	nipper (noun)
a young child who is just beginning to walk	a grasping structure on the limb of a crustacean or other arthropods
a small amount (especially of a drink)	a young person of either sex

tot (verb)	nipper (verb)
determine the sum of