rear vs tail assembly

rear and tail assembly both are nouns.

Word	Noun	Adjective	Verb	Adverb
rear	Yes	Yes	Yes	No
tail assembly	Yes	No	No	No

As nouns, tail assembly is a hyponym of rear; that is, tail assembly is a word with a more specific, narrower meaning than rear:

Other hyponyms of rear include after part, poop, quarter, stern, tail, empennage, tail.

rear (noun)	tail assembly (noun)
the side that goes last or is not normally seen	the rear part of an aircraft
the fleshy part of the human body that you sit on
the back of a military formation or procession
the side of an object that is opposite its front
the part of something that is furthest from the normal viewer

rear (adjective)	tail assembly (adjective)
located in or toward the back or rear

rear (verb)	tail assembly (verb)
construct, build, or erect
stand up on the hind legs, of quadrupeds
cause to rise up
look after a child until it is an adult
rise up