いん
in

Noun

1. house of parliament (congress, diet, etc.)

Noun

2. graduate school; postgraduate school

Suffix

3. institution (often medical); institutional building; government office

Suffix

4. sub-temple; minor temple building; temple; cloister

Buddhism
Noun

5. imperial palace

Honorific
Noun

6. title bestowed on empresses, princesses, etc.

Honorific
Dated
Related to 女院【にょういん】
Suffix

7. former (esp. of emperors, daimyos, etc.); late