ablaut
The substitution of one root vowel for another, thus indicating a corresponding modification of use or meaning; vowel permutation; as, get, gat, got; sing, song; hang, hung. Earle.
Length: 6Scrabble® value: 8Words With Friends® value: 11
Numerology value: 3 (Pythagorean letter-sum). See what this number means on NumberAngel.
Source: Webster's Revised Unabridged Dictionary (1913), United States public domain. See methodology for full licensing detail. Word validity for game play may differ from any official game dictionary.