HASLET is a 6 letter word that starts with H.
\Has"let\, n. [F. h[^a]telettes broil, for hastelettes, fr. F. haste spit; cf. L. hasta spear, and also OHG. harst gridiron.] The edible viscera, as the heart, liver, etc., of a beast, esp. of a hog. [Written also {harslet}.]