special characteristics; peculiarity; distinctiveness
spy; special agent; covert operative
special theory of relativity
special class for handicapped children
variant of bank-transfer fraud
Special Assault Team; SAT
semigovernmental corporation
total fertility rate; TFR
special school; special needs school
special education; special needs education
special purpose submarine (esp. Japanese midget submarines used in WWII)
specialty paper; special paper
bathhouse offering special services (usu. sexual); massage parlour; soapland
sex establishment (as regulated by a specific Japanese law)
special colour rendering index (color)
special theory of relativity
special kana usage rules (Nara period)