half diphthong

14 LETTERS · STARTS WITH H

half diphthong is a valid 14-letter word worth 29 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

H4A1L1F4D2I1P3H4T1H4O1N1G2

4 + 1 + 1 + 4 + 0 + 2 + 1 + 3 + 4 + 1 + 4 + 1 + 1 + 2 =29 PTS

DOUBLE WORD → 58TRIPLE WORD → 87

MEANING

What does half diphthong mean?