15-Letter Words Containing: FFE

• A coffee klatch.

• lacking the power to be effective

• power to be effective; the quality of being able to bring about an effect

• capacity to produce strong physiological or chemical effects

• the quality of being offensive

• mark as different

• be a distinctive feature, attribute, or trait; sometimes in a very positive sense

• calculate a derivative; take the derivative

• become different during development

• evolve so as to lead to a new species or develop in a way most suited to the environment

• become distinct and acquire a different character

• lose specialization in form or function

• lacking the power to be effective