letter vs laurels

letter and laurels both are nouns.

Word	Noun	Adjective	Verb	Adverb
letter	Yes	No	Yes	No
laurels	Yes	No	No	No

As nouns, laurels is a hypernym of letter; that is, laurels is a word with a broader meaning than letter:

Other hypernyms of letter include accolade, award, honor, honour.

letter (noun)	laurels (noun)
a written message addressed to a person or organization	a tangible symbol signifying approval or distinction
the conventional characters of the alphabet used to represent speech	the state of being honored
an award earned by participation in a school sport
a strictly literal interpretation (as distinct from the intention)
owner who lets another person use something (housing usually) for hire

letter (verb)	laurels (verb)
mark letters on or mark with letters
set down or print with letters
win an athletic letter