stick on vs plaster

stick on is not a noun while plaster is a noun.

Word	Noun	Adjective	Verb	Adverb
stick on	No	No	Yes	No
plaster	Yes	No	Yes	No

As verbs, plaster is a hyponym of stick on; that is, plaster is a word with a more specific, narrower meaning than stick on:

Other hyponyms of stick on include stamp, seal, post.

As verbs, stick on and plaster are synonyms defined as:

Other synonyms of stick on include plaster over.

stick on (noun)	plaster (noun)
	adhesive tape used in dressing wounds
	a surface of hardened plaster (as on a wall or ceiling)
	a medical dressing consisting of a soft heated mass of meal or clay that is spread on a cloth and applied to the skin to treat inflamed areas or improve circulation etc.
	a mixture of lime or gypsum with sand and water; hardens into a smooth solid; used to cover walls and ceilings
	any of several gypsum cements; a white powder (a form of calcium sulphate) that forms a paste when mixed with water and hardens into a solid; used in making molds and sculptures and casts for broken limbs

stick on (verb)	plaster (verb)
stick or fasten to	dress by covering with a therapeutic substance
apply a heavy coat to	coat with plaster
	apply a heavy coat to
	apply a plaster cast to
	affix conspicuously
	cover conspicuously or thickly, as by pasting something on