scyphozoan-a kind of jellyfish

sympathize-vi. Sympathy, pity; ***, sympathy; support, approval; comfort

psychology-n. Psychology; psychological characteristics; psychological state; psychological influence

synthesize-vt. synthesis; artificial synthesis; synthesis (through chemical means or biological processes); (sound) synthesis

psychoactivity- n. Act on the spirit, influence (or change) the psychological state

psyche-n. Soul, mind; mind, spirit; [Greek God] Psyche (the beauty loved by Cupid, the god of love)

symphysial-adj. joint

symphonic- adj. symphonic

synecdoche-n. synecdoche

sylphlike-adj. My Fair Lady Similar, graceful

asynchrony-n. non-simultaneity, asynchronous (nature)