(Greek: down, downward; under, lower; against; entirely, in accordance with, completely; definitely)

(Greek: under, below, beneath; less than; too little; deficient, diminished; used as a prefix)

(Latin: under, below, beneath)

(Latin: under, below, beneath; used as a prefix as shown in various formats below)

(Latin: under, beneath, secretly, less than; formed from sub-)