promise vs second-guess

promise is a noun but second-guess is not a noun.

Word	Noun	Adjective	Verb	Adverb
promise	Yes	No	Yes	No
second-guess	No	No	Yes	No

As verbs, second-guess is a hyponym of promise; that is, second-guess is a word with a more specific, narrower meaning than promise:

Other hyponyms of promise include read, outguess, augur, bet, wager, calculate, forecast, prophesy, vaticinate.

promise (noun)	second-guess (noun)
grounds for feeling hopeful about the future
a verbal commitment by one person to another agreeing to do (or not to do) something in the future

promise (verb)	second-guess (verb)
make a promise or commitment	evaluate or criticize with hindsight
promise to undertake or give	attempt to anticipate or predict
make a prediction about; tell in advance
give grounds for expectations