plug vs stick in

plug is a noun but stick in is not a noun.

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

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

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

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

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

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

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

plug (noun)	stick in (noun)
an old or over-worked horse
blockage consisting of an object designed to fill a hole tightly
an upright hydrant for drawing water to use in fighting a fire
electrical device that fits into the cylinder head of an internal-combustion engine and ignites the gas by means of an electric spark
an electrical device with two or three pins that is inserted in a socket to make an electrical connection
blatant or sensational promotion
a wad of something chewable as tobacco

plug (verb)	stick in (verb)
persist in working hard	place, fit, or thrust (something) into another thing
insert as a plug	insert casually
insert a plug into
replace the center of a coin with a baser metal
make a plug for; praise the qualities or in order to sell or promote
deliver a quick blow to
fill or close tightly with or as if with a plug