sub- (Latin: under, below [suc-, suf-, sug-, sum-, sup-, sur-, sus-]; used as a prefix).Don't confuse the sur- in this element with the sur- in super-. Note: sub- regularly means "under", but it often changes its form as it retains its meaning:subaquatic: 
subaqueous: 
subarctic: 
subatomic: 
subaudition: 
subboreal: 
subcelestial: 
subcellar: 
subclavian: 
subcompact: 
subconscious: 
subcontinent: 
subcontract: 
subcutaneous: 
subcutical: 
subcuticula: 
subcuticular: 
subcutis: 
subdermal: 
subdivide: 
subdivision: 
subdorsal: 
subduction: 
subdue: 
subepiglottic: 
subglossal: 
subject: 
subjection: 
subjective: 
subjectivity: 
subjugate: 
subjunctive: 
sublet: 
sublimate: 
sublime: 
subliminal: 
sublingua: 
sublingual: 
sublunar: 
submarine: 
submariner: 
submation: 
submerge: 
submergence: 
submergible: 
submerse: 
submersible: 
submersion: 
submicroscopic: 
submission: 
submissive: 
submit: 
subnormal: 
suboral: 
suborbital: 
subordinate: 
subordination: 
subphylum: 
subscribe: 
subscriber: 
subscript: 
subscription: 
subsequence: 
subsequent: 
subservience: 
subservient: 
subside: 
subsidence: 
subsidiary: 
subsidize: 
subsidy: 
subsist: 
subsistence: 
subsistent: 
subsoil: 
subsonic: 
substance: 
substandard: 
substantial: 
substantiality: 
substantiate: 
substellar: 
substitute: 
substitution: 
substitutional: 
substrata: 
substratosphere: 
substratum: 
substructure: 
subsurface: 
subtenant: 
subterfuge: 
subterraneal: 
subterranean: 
subterraneous: 
subtle: 
subtlety: 
subtonic: 
subtotal: 
subtract: 
subtraction: 
subtractive: 
subtrahend: 
subtropic: 
subtropical: 
suburb: 
suburban: 
suburbanite: 
suburbia: 
subversion: 
subversive: 
succeed: 
success: 
succession: 
succinct: 
succor: 
suffer: 
suffice: 
sufficient: 
suffix: 
suffocate: 
suffrage: 
suggest, summon: 
supplement: 
supplicate: 
supplicate: 
supplicate: 
supply: 
support: 
suppose: 
suppress: 
surrender: 
surreptitious: 
The prefix, sub- is simplified to su- before sp; before c, p, and t, it is sometimes formed into sus-; as seen in suspect, suspend, suspicion, suspension, sustain, et al.].  |