calculate vs debit

calculate is not a noun while debit is a noun.

Word	Noun	Adjective	Verb	Adverb
calculate	No	No	Yes	No
debit	Yes	No	Yes	No

As verbs, debit is a hyponym of calculate; that is, debit is a word with a more specific, narrower meaning than calculate:

Other hyponyms of calculate include credit, balance, overbalance, compound, bill, charge.

calculate (noun)	debit (noun)
	an accounting entry acknowledging sums that are owing

calculate (verb)	debit (verb)
make a mathematical calculation or computation	enter as debit
specifically design a product, event, or activity for a certain public
judge to be probable
have faith or confidence in
predict in advance
keep an account of