13-Letter Words Containing A,E,E,F,F,R,_,_

• European breed of small dog resembling a terrier with dark wiry hair and a tufted muzzle

• an implement with a small cup at the end of a handle; used to extinguish the flame of a candle

• 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

• To reforest.

• relating to or showing a difference

• involving or containing one or more derivatives

• the result of mathematical differentiation; the instantaneous change of one quantity relative to another; df(x)/dx

• a quality that differentiates between similar things

• a bevel gear that permits rotation of two shafts at different speeds; used on the rear axle of automobiles to allow wheels to rotate at different speeds on curves

• an emotion experienced in anticipation of some specific pain or danger (usually accompanied by a desire to flee or fight)

• the trait of being afraid