no changer

Noun

 * 1) One who does not change, or opposes a change.
 * 2)  A word that does not change its form (for a noun, from singular to plural; for a verb, according to person; etc.).
 * 1)  A word that does not change its form (for a noun, from singular to plural; for a verb, according to person; etc.).
 * 1)  A word that does not change its form (for a noun, from singular to plural; for a verb, according to person; etc.).