11-Letter Words Containing: O,P,S,I,E

• pose a threat to; present a danger to

• put at risk

• to dry (blood, serum, or tissue) by freezing in a high vacuum

• The soil region subject to the influence of plant roots and their associated microorganisms

• construe as a real existence, of a conceptual entity

• cause (a compound) to polymerize

• undergo polymerization

• recite a rhapsody

• say (something) with great enthusiasm