Hychwyth, a. apt to blow
Hyd, n. length; continuity; while: prep. to, unto, as far as: ad. till; to the place that; while; along, ever
Hydaith, a. apt to travel
Hydal, a. apt to pay, payable
Hydardd, a. apt to break out
Hydarf, a. easily scared
Hydarth, a. aptly exhaling
Hydaw, a. apt to be silent
Hydawdd, a. apt to melt
Hydedd, n. longitude