12-Letter Words with T,R,A,F,F,I

• a composite speech sound consisting of a stop and a fricative articulated at the same point (as `ch' in `chair' and `j' in `joy')

• affirming or giving assent

• a reply of affirmation

• expecting the best

• expressing or manifesting praise or approval

• To furnish with too many staff.

• when light passes sharp edges or goes through narrow slits the rays are deflected and produce fringes of light and dark bands

• a statement asserting the existence or the truth of something

• the act of affirming or asserting or stating something

• (religion) a solemn declaration that serves the same purpose as an oath (if an oath is objectionable to the person on religious or ethical grounds)

• a judgment by a higher court that the judgment of a lower court was correct and should stand

• 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

• A distinguishing feature which marks a species off from other members of the same genus.

• someone who is critical of the motives of others

• Agent noun of insufflate: a person or device which insufflates.

• A form of injector for forcing air into a furnace.