boost vs morale booster

boost and morale booster both are nouns.

Word	Noun	Adjective	Verb	Adverb
boost	Yes	No	Yes	No
morale booster	Yes	No	No	No

As nouns, morale booster is a hyponym of boost; that is, morale booster is a word with a more specific, narrower meaning than boost:

Other hyponyms of boost include morale builder, morale building.

boost (noun)	morale booster (noun)
the act of giving hope or support to someone	anything that serves to increase morale
the act of giving a push
an increase in cost

boost (verb)	morale booster (verb)
increase or raise
give a boost to; be beneficial to
push or shove upward, as if from below or behind
increase
contribute to the progress or growth of