corselet vs suit of armour

corselet and suit of armour both are nouns.

Word	Noun	Adjective	Verb	Adverb
corselet	Yes	No	No	No
suit of armour	Yes	No	No	No

As nouns, suit of armour is a hypernym of corselet; that is, suit of armour is a word with a broader meaning than corselet:

corselet: a piece of body armor for the trunk; usually consists of a breastplate and back piece
suit of armour: armor that protects the wearer's whole body

Other hypernyms of corselet include body armor, body armour, cataphract, coat of mail, suit of armor.

corselet (noun)	suit of armour (noun)
a piece of body armor for the trunk; usually consists of a breastplate and back piece	armor that protects the wearer's whole body