inject vs throw in

inject and throw in both are verbs.

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

As verbs, inject and throw in are synonyms defined as:

Other synonyms of inject include come in, interject, interpose, put in.

inject (verb)	throw in (verb)
give an injection to	to insert between other elements
to introduce (a new aspect or element)	give up in the face of defeat of lacking hope; admit defeat
to insert between other elements	add as an extra or as a gratuity
feed intravenously
take by injection
force or drive (a fluid or gas) into by piercing