9-Letter Words Containing: O,U,T,S,A,Y

• An underfloor space or flue through which heat from a furnace passes to heat the floor of a room or a bath.

• An underfloor heating system, even without such an underfloor space or flue, as adapted for modern housing.

• in accordance with convention or custom

• commonly used or practiced; usual

• vacuously or complacently and unconsciously foolish

• person who does no work

• A binomial name consisting of the same word twice, such as Bison bison.

• A word or term made from two identical parts or syllables, such as bonbon or dada.

• Absolute synonym