inject vs stick in

inject and stick in both are verbs.

Word	Noun	Adjective	Verb	Adverb
inject	No	No	Yes	No
stick in	No	No	Yes	No

As verbs, stick in is a hypernym of inject; that is, stick in is a word with a broader meaning than inject:

Other hypernyms of inject include enclose, inclose, insert, introduce, put in.

inject (verb)	stick in (verb)
give an injection to	place, fit, or thrust (something) into another thing
to introduce (a new aspect or element)	insert casually
to insert between other elements
feed intravenously
take by injection
force or drive (a fluid or gas) into by piercing