Spinets are a type of musical instrument that are similar to pianos, but smaller in size and with fewer keys. There are several synonyms for the word "spinets" that can be used to describe these instruments. One synonym is "clavichord," which refers to a keyboard instrument that produces sound by striking strings with metal blades. Another synonym is "harpsichord," which is a keyboard instrument that uses plucked strings to produce sound. Other synonyms for spinets include "virginal," "square piano," and "horizontal piano." Each of these terms refers to a similar type of instrument with a different name or design.