15-Letter Words with O,P,E,R,A,T,E,S

• The fused head and thorax of spiders and crustaceans

• extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones; usually considered the most primitive of all birds

• estimate the capital value of (a company) at an unreasonably or unlawfully high level

• overestimate the market value of

• capitalize beyond what the business or the profit-making prospects warrant

• the branch of psychiatry concerned with psychological methods

• the treatment of mental or emotional problems by psychological means

• an antihistamine (trade name Periactin) used to treat some allergic reactions

• therapy that uses physical agents: exercise and massage and other modalities

• refutation by example