[いん, in] (n) (1) (hon) imperial palace; (2) emperor (or his empress, imperial princesses, etc.); (suf) (3) temple; (4) institution (esp. a government office, school, hospital, etc.); (5) suffix used in posthumous names (esp. of emperors, daimyos, etc.) #629
[びょういん, byouin] (n, adj-no) hospital; (P) #868
[にゅういん, nyuuin] (n, vs) hospitalization; hospitalisation; (P) #6024
[ないか, naika] (n, adj-no) (1) internal medicine, i.e. treatment by medical procedures rather than surgical procedures; (2) department of internal medicine (hospital, etc.); (P) #6319
[びょうとう, byoutou] (n) (hospital) ward; (P) #13587
[いんない, innai] (n, adj-no) (1) inside the House (Diet); (2) inside the hospital; (P) #13776
[ゆうぐう, yuuguu] (n, vs, adj-no) favorable treatment; favourable treatment; hospitality; warm reception; good treatment; hearty welcome; (P) #18670
[たいいん, taiin] (n, vs) leaving hospital; discharge from hospital; (P) #18973
[おあいそ;おあいそう, oaiso ; oaisou] (n) (1) (pol) (See 愛想) compliment; flattery; (2) service; hospitality; (3) bill (at a restaurant; formerly, not used by customers); check
[おかまい, okamai] (n) (1) (pol) (See お構いなく) entertainment; hospitality; (2) banishment (Edo period)