train vs prepare

train is a noun but prepare is not a noun.

Word	Noun	Adjective	Verb	Adverb
train	Yes	No	Yes	No
prepare	No	No	Yes	No

As verbs, train and prepare are synonyms defined as:

train and prepare: undergo training or instruction in preparation for a particular role, function, or profession

As verbs, train and prepare are synonyms defined as:

Other synonyms of train include develop, educate.

As verbs, train and prepare are synonyms defined as:

Other synonyms of train include groom.

train (noun)	prepare (noun)
public transport provided by a line of railway cars coupled together and drawn by a locomotive
wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed
piece of cloth forming the long back section of a gown that is drawn along the floor
a series of consequences wrought by an event
a procession (of wagons or mules or camels) traveling together in single file
a sequentially ordered set of things or events or ideas in which each successive member is related to the preceding

train (verb)	prepare (verb)
exercise in order to prepare for an event or competition	make ready or suitable or equip in advance for a particular purpose or for some use, event, etc
undergo training or instruction in preparation for a particular role, function, or profession	undergo training or instruction in preparation for a particular role, function, or profession
create by training and teaching	create by training and teaching
teach and supervise (someone); act as a trainer or coach (to), as in sports	arrange by systematic planning and united effort
point or cause to go (blows, weapons, or objects such as photographic equipment) towards	prepare for eating by applying heat
drag loosely along a surface; allow to sweep the ground	to prepare verbally, either for written or spoken delivery
travel by rail or train	lead up to and soften by sounding the dissonant note in it as a consonant note in the preceding chord
educate for a future role or function	educate for a future role or function
teach or refine to be discriminative in taste or judgment
develop (a child's or animal's) behavior by instruction and practice; especially to teach self-control
cause to grow in a certain way by tying and pruning it