salicyl
Refers to the salicyl group in chemistry. Often used in compound terms like サリチル酸 (salicylic acid).
Salicyl is a component of salicylic acid.
salicylic
Used as a prefix in chemical compound names, e.g., サリチル酸 (salicylic acid).
See also: サリチル酸 (サリチルさん)
Salicylic acid is used in medicines and cosmetics.