sign / sine / sinh / tsine [sain]
sign – n. & v. – n. – 1. a gesture or motion used to convey information or instruction; 2. a mark, symbol, or device that has some special significance, or distinguishes the person or thing on which it is put; 3. a banner, standard, pennant; 4. any thing (visible or invisible) which is an indication or token of a present fact, quality, feeling, state of affairs etc.; v. – 1. put a mark, seal or signature on a document for authentication; 2. assign or appoint a person; 3. communicate in ASL – sign language for the deaf
sine – n. – 1. Trigonometry one of the three fundamental trigonometrical functions. Originally, the length of a straight line drawn from one end of a circular arc parallel to the tangent at the other end, and terminated by the radius; in modern use, the ratio of this line to the radius, or the ratio of the side of a right-angled triangle opposite the given angle to the hypotenuse; 2. a gulf or bay; 3. a sinew
sinh – n. – Mathemtics a hyperbolic sine
tsine – n. – a species of wild ox (Bos banteng) found in Burma (Myanmar) and the Malay Archipelago; a banteng