ism — a distinctive doctrine, theory, system, or practice: This is the age of isms.
prism — Optics. a transparent solid body, often having triangular bases, used for dispersing light into a spectrum or for reflecting rays of light.
Three-syllable rhymes
minimal — constituting a minimum: a minimal mode of transportation.
minimalist — a person who favors a moderate approach to the achievement of a set of goals or who holds minimal expectations for the success of a program.
