- hindmost
- hard disc crash
- hydragogue
- harmonize
- head butt
- headbutt
- halfalive
- having holes
- have in common
- have that coming
- hoop la
- horsemanship
- having no religion
- hirudo quniquestriata
- having a spirit of competition
- homeostatic adjustment
- high flow principle
- haematidrosis
- hectic fever
- hoped for
- hoagie
- hoagy
- hair's breadth
- hectic
- haughtily
- haylage
- heeble jeebies
- harmoniously
- have the measure of
- hyaloid fossa
- hypostatic congestion
- homy
- herapathite
- hyper media
- hallucination of touch
- hip hop
- hoary marmot
- hit the jackpot
- hooch
- head length
- heterothallic
- hyposomatotrophic dwarfism
- have a fit
- hit the ceiling
- hat trick
- hard excrement
- howell_jolly bodies
- hurry on
- hydrous
- high technology