manicure vs tending

manicure and tending both are nouns.

Word	Noun	Adjective	Verb	Adverb
manicure	Yes	No	Yes	No
tending	Yes	Yes	No	No

As nouns, tending is a hypernym of manicure; that is, tending is a word with a broader meaning than manicure:

manicure: professional care for the hands and fingernails
tending: the work of providing treatment for or attending to someone or something

Other hypernyms of manicure include beauty treatment, aid, attention, care.

manicure (noun)	tending (noun)
professional care for the hands and fingernails	the work of providing treatment for or attending to someone or something

manicure (adjective)	tending (adjective)
	(usually followed by `to') naturally disposed toward

manicure (verb)	tending (verb)
care for (one's hand) by cutting and shaping the nails, etc.
trim carefully and neatly