challenge, bet, gamble, play, venture, game, chance, adventure
bet
"To welsh" is a racially offensive term meaning "to refuse to honor an agreement such as a wager or spoken contract."
A word that has the same meaning as another word is a synonym.
The word in the passage with the same meaning as instantly is "immediately."
wager
bet
Wager, gamble.
Some words that contain the root word "onym" are synonym (meaning a word with a similar meaning), antonym (meaning a word with the opposite meaning), and homonym (meaning a word that sounds the same but has a different meaning).
To wager is to make a bet and the amount gambled is also called the wager (or stake).
wager
The word that has the same meaning as "opened by force" is "pry."
warped, distorted.