The term 'stay awhile' can be expressed in four different ways, each with a different number of letters. The first is 'ABIDE, ' which has five letters. This means to remain in a certain place or situation, often for a long period of time. The second is 'TARRY, ' also with five letters. This means to delay or LINGER in a place, usually for an extended period of time. The third is 'LINGER, ' with six letters. This means to stay in a place longer than necessary or expected. Finally, the fourth is 'SOJOURN, ' with seven letters. This means to stay in a place for a short period of time, usually for a specific purpose.