massage vs knead

massage is a noun but knead is not a noun.

Word	Noun	Adjective	Verb	Adverb
massage	Yes	No	Yes	No
knead	No	No	Yes	No

As verbs, massage and knead are synonyms defined as:

massage and knead: manually manipulate (someone's body), usually for medicinal or relaxation purposes

Other synonyms of massage include rub down.

massage (noun)	knead (noun)
kneading and rubbing parts of the body to increase circulation and promote relaxation

massage (verb)	knead (verb)
give a massage to	to mix into a homogeneous mass
manually manipulate (someone's body), usually for medicinal or relaxation purposes	manually manipulate (someone's body), usually for medicinal or relaxation purposes