attain vs reach

attain is not a noun while reach is a noun.

Word	Noun	Adjective	Verb	Adverb
attain	No	No	Yes	No
reach	Yes	No	Yes	No

As verbs, attain and reach are synonyms defined as:

Other synonyms of attain include hit.

As verbs, attain and reach are synonyms defined as:

Other synonyms of attain include arrive at, gain, hit, make.

As verbs, attain and reach are synonyms defined as:

Other synonyms of attain include accomplish, achieve.

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

attain (noun)	reach (noun)
	the act of physically reaching or thrusting out
	an area in which something acts or operates or has power or control:
	the limit of capability
	the limits within which something can be effective

attain (verb)	reach (verb)
reach a point in time, or a certain state or level	be in or establish communication with
reach a destination, either real or abstract	to exert much effort or energy
find unexpectedly	move forward or upward in order to touch; also in a metaphorical sense
to gain with effort	reach a point in time, or a certain state or level
	reach a destination, either real or abstract
	reach a goal
	place into the hands or custody of
	to gain with effort
	to extend as far as