train vs swing

train and swing both are nouns.

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

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

train: point or cause to go (blows, weapons, or objects such as photographic equipment) towards
swing: hit or aim at with a sweeping arm movement

Other hyponyms of train include aim, direct, place, point, target, draw a bead on, hold, turn, charge, level, point, level, sight.

train (noun)	swing (noun)
public transport provided by a line of railway cars coupled together and drawn by a locomotive	changing location by moving back and forth
wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed	in baseball; a batter's attempt to hit a pitched ball
piece of cloth forming the long back section of a gown that is drawn along the floor	the act of swinging a golf club at a golf ball and (usually) hitting it
a series of consequences wrought by an event	a square dance figure; a pair of dancers join hands and dance around a point between them
a procession (of wagons or mules or camels) traveling together in single file	a sweeping blow or stroke
a sequentially ordered set of things or events or ideas in which each successive member is related to the preceding	mechanical device used as a plaything to support someone swinging back and forth
	a jaunty rhythm in music
	a style of jazz played by big bands popular in the 1930s; flowing rhythms but less complex than later styles of jazz
	a state of steady vigorous action that is characteristic of an activity

train (verb)	swing (verb)
exercise in order to prepare for an event or competition	alternate dramatically between high and low values
undergo training or instruction in preparation for a particular role, function, or profession	hit or aim at with a sweeping arm movement
create by training and teaching	make a big sweeping gesture or movement
teach and supervise (someone); act as a trainer or coach (to), as in sports	engage freely in promiscuous sex, often with the husband or wife of one's friends
point or cause to go (blows, weapons, or objects such as photographic equipment) towards	play with a subtle and intuitively felt sense of rhythm
drag loosely along a surface; allow to sweep the ground	move or walk in a swinging or swaying manner
travel by rail or train	move in a curve or arc, usually with the intent of hitting
educate for a future role or function	change direction with a swinging motion; turn
teach or refine to be discriminative in taste or judgment	be a social swinger; socialize a lot
develop (a child's or animal's) behavior by instruction and practice; especially to teach self-control	influence decisively
cause to grow in a certain way by tying and pruning it	hang loosely
	live in a lively, modern, and relaxed style
	have a certain musical rhythm