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.
schism — division or disunion, especially into mutually opposed parties.
Two-syllable rhymes
chisholm — Shirley (Anita St. Hill) 1924–2005, U.S. politician: congresswoman 1969–83; first black woman elected to the House of Representatives.
chrisom — a white robe put on an infant at baptism and formerly used as a burial shroud if the infant died soon afterwards
Three-syllable rhymes
nicol prism — one of a pair of prisms used to produce and analyze plane-polarized light in a polarizing microscope. Also called Nicol. Compare polarizer (def 1).
