Kangaroo words.

A Kangaroo word is one which carries within its spelling in normal order a smaller word which is a perfect synonym for itself. eg. 
Hurries,   Hies
Deceased, Dead
Illuminated, Lit
Fabrication, Fiction
Salvage,  Save
Separate,  Part
Catacomb, Tomb
Satisfied, Sated
Exists,  Is
Recline,  lie
Appropriate,  Apt
Rotund, Round
Observe, See
Revolution,  revolt
Market, Mart
Facade,  Face
Deliberate,  Debate
Pantaloons,   Pants
Precipitation,  Rain
Supervisor,  Superior
Hostelry, Hotel