14 letters · 18 points in Scrabble
noun (biology) the structural adaptation of some body part for a particular function
noun the act of specializing; making something suitable for a special purpose
noun the special line of work you have adopted as your career
originEtymology tree English special English -ise English specialise Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin -ātiōlbor. Old French -ationbor. Middle English -acioun English -ation English specialisation From specialise + -ation.
Etymology from Wiktionary, CC BY-SA 3.0