insane asylum

(dated 旧) = mental home (mental).

inquire after, inquire for, inquirer, inquiring, inquiringly, inquiry, inquiry (also enquiry), inquiry agent, inquisition, inquisitive, inquisitively, inquisitiveness, inquisitor, inquisitorial, inquisitorially, inroad, inrush, insalubrious, insalubrity, insane, insanely, insanitary, insanity, insatiable, insatiably, insatiate, inscribe, inscription, inscrutability, inscrutable, inscrutably, insect, insect-eating, insecticidal, insecticide, insectivore, insectivorous, insecure, insecurely, insecurity,