12-Letter Words Containing: I,I,N,O,P,R

• pose a threat to; present a danger to

• put at risk

• of or relating to quadraphony

• cause (a compound) to polymerize

• undergo polymerization

• recite a rhapsody

• say (something) with great enthusiasm

• To toss or carry with a pitchfork.

• To throw suddenly.

• a B vitamin that is essential for metabolism of amino acids and starch

• annihilation by vaporizing something

• the process of becoming a vapor

• cater to popular taste to make popular and present to the general public; bring into general or common use

• make understandable to the general public

• an immunosuppressive drug (trade name Imuran) used to prevent rejection of a transplanted organ