KEY is validvalid

important [adj KEYER, KEYEST] / to provide with something used to unlock or decrypt [v KEYED, KEYING, KEYS]

591 of 196,601 in NWL2023·also valid in CSW24

crucial [adj KEYER, KEYEST] / to enter (data) into a computer [v -ED, -ING, -S] / a usually metal instrument that is used to open a lock, also KAIE [n S]