lean vs recline

lean is a noun but recline is not a noun.

Word	Noun	Adjective	Verb	Adverb
lean	Yes	Yes	Yes	No
recline	No	No	Yes	No

As verbs, recline is a hyponym of lean; that is, recline is a word with a more specific, narrower meaning than lean:

Other hyponyms of lean include incline, pitch, slope, weather, heel, list, lean back.

lean (noun)	recline (noun)
the property possessed by a line or surface that departs from the vertical

lean (adjective)	recline (adjective)
lacking in mineral content or combustible material
lacking excess flesh
not profitable or prosperous
containing little excess

lean (verb)	recline (verb)
rely on for support	lean in a comfortable resting position
cause to lean or incline	cause to recline
to incline or bend from a vertical position	move the upper body backwards and down
cause to lean to the side
have a tendency or disposition to do or be something; be inclined