couple — If you refer to a couple of people or things, you mean two or approximately two of them, although the exact number is not important or you are not sure of it.
supple — bending readily without breaking or becoming deformed; pliant; flexible: a supple bough.
Three-syllable rhymes
decouple — If two countries, organizations, or ideas that were connected in some way are decoupled, the connection between them is ended.
uncouple — to release the coupling or link between; disconnect; let go: to uncouple railroad cars.
