6 letters · 10 points in Scrabble
noun the articulatory process whereby the pronunciation of a word or morpheme changes when it is followed immediately by another (especially in fluent speech)
originLearned borrowing from Sanskrit सं॒धि (saṃdhí, literally “junction; union”). Partial piecewise doublet of synthesis and synth.
Etymology from Wiktionary, CC BY-SA 3.0