Godan verb with 'ku' ending, Transitive verbto peek (through a keyhole, gap, etc.) · to look down into (a ravine, etc.) · to peek into (a shop, bookstore, etc.)

Godan verb with 'mu' ending, Intransitive verbto look out on; to overlook; to front onto · to face (a situation, crisis, etc.); to meet (e.g. death); to be confronted by · to deal with (an issue)

Nounboundary · (nuclear) criticality · critical (mass, pressure, temperature, state, point, etc.)

Noun which may take the genitive case particle 'no', Nountemporary; provisional; interim · special; extraordinary; extra

Noundeathbed; dying hour; one's death