accustom vs harden

accustom and harden both are verbs.

Word	Noun	Adjective	Verb	Adverb
accustom	No	No	Yes	No
harden	No	No	Yes	No

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

Other hyponyms of accustom include indurate, inure, teach, addict, hook.

accustom (verb)	harden (verb)
make psychologically or physically used (to something)	become hard or harder
	make hard or harder
	make healthy
	cause to accept or become hardened to; habituate
	harden by reheating and cooling in oil