letal Adjective, letal

1. lethal

Appox. usage (any sense): 7.58 per million words

mortifer Adjective, mortifer

1. lethal

Appox. usage (any sense): less than 0.1 per million words

letifer Adjective, letifer

1. (dated) lethal

Appox. usage (any sense): less than 0.1 per million words