sub·spe·cial·ty 
(sŭbspĕsh′əl-tē)
(sŭbspĕsh′əl-tē)n. pl. sub·spe·cial·ties
A narrow field of study or work within a specialty, as pediatric dermatology or geriatric psychiatry.
- compactly
- compactness
- compactor
- compadre
- companion
- companion
- companionable
- companionableness
- companionably
- companion animal
- companionate
- companionate marriage
- companion cell
- companion planting
- companionship
- companionway
- company
- company-grade officer
- company man
- company town
- company woman
- comparability
- comparable
- comparableness
- comparable worth