- horse (of a good breed)
- horse cavalry
- hop pole
- human elbow
- human knee
- half_century
- hobbing press
- hobble skirt
- hit_and_run
- hitching bar
- hitchcock
- hind limb
- honorarium
- hummock
- healthcentre
- hen coop
- hen house
- hell hole
- hideaway
- health centre
- hooknose
- hooker's green
- hooker's orchid
- hereunder
- home truth
- homoecious
- heteroecious
- heterogenous
- hellbender
- house proud
- hare's_foot fern
- home game
- horridness
- Hashimoto's disease
- Huntington's chorea
- Huntington's disease
- helenium autumnale
- hedgehop
- hang glide
- humate
- hundred years' war
- hard drive
- hyperventilation anaesthesia
- hurry_skurry
- have kittens
- harmattan
- headwind
- high wind
- honor guard
- honour of
