unveil vs trot out

unveil and trot out both are verbs.

Word	Noun	Adjective	Verb	Adverb
unveil	No	No	Yes	No
trot out	No	No	Yes	No

As verbs, trot out is a hyponym of unveil; that is, trot out is a word with a more specific, narrower meaning than unveil:

Other hyponyms of unveil include disclose, expose, uncover, excavate, unearth, unfold.

unveil (verb)	trot out (verb)
remove the veil from	bring out and show for inspection and admiration
remove the cover from
make manifest