put in vs throw in

put in and throw in both are verbs.

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

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

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

put in (verb)	throw in (verb)
place, fit, or thrust (something) into another thing	to insert between other elements
break into a conversation	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
make an application as for a job or funding
set up for use
keep or lay aside for future use