Obticeo – (verb) intransitive, to be silent; of Latin origin

Quiescent – (adjective), in a state of inactivity or dormancy; of Latin origin, mid 17th century

Whelve – (verb) to bury something deep, to hide; of Old English origin meaning to turn upside down to cover something

Kadota – (verb) intransitive, to disappear, vanish, to fade; of Finnish origin