bear vs hold still for

bear is a noun but hold still for is not a noun.

Word	Noun	Adjective	Verb	Adverb
bear	Yes	No	Yes	No
hold still for	No	No	Yes	No

As verbs, hold still for is a hyponym of bear; that is, hold still for is a word with a more specific, narrower meaning than bear:

Other hyponyms of bear include accept, live with, swallow, stand for, bear up, take lying down, take a joke, sit out, pay.

bear (noun)	hold still for (noun)
massive plantigrade carnivorous or omnivorous mammals with long shaggy coats and strong claws
an investor with a pessimistic market outlook; an investor who expects prices to fall and so sells now in order to buy later at a lower price

bear (verb)	hold still for (verb)
be pregnant with	tolerate or bear
cause to be born
have on one's person
behave in a certain manner; show a certain behavior; conduct or comport oneself
put up with something or somebody unpleasant
move while holding up or supporting
support or hold in a certain manner
bring forth
maintain (a theory, thoughts, or feelings)
have rightfully; of rights, titles, and offices
bring in
take on as one's own the expenses or debts of another person
have
contain or hold; have within