- herpes zoster
- herpes zoster ophthalmicus
- herpes varicella zoster
- homotypical
- heterotypical
- homozygous gene
- houseboat
- house_boat
- homeothermic
- homeobox gene
- homeobox
- housecraft
- hunting and gathering tribe
- hashemite kingdom of jordan
- heart_to_heart
- human sacrifice
- hays
- haycock
- high time
- hungriness
- hungrily
- hollerith
- holland
- holistically
- halloo
- horners syndrome
- huarache
- hop clover
- having a yellow tinge
- howells
- however much
- however great
- hereto
- hitler
- hither and yon
- Hani
- hard porn
- herzberg
- hertzian
- heredity
- hereditary tremor
- hypogammaglobulinemia
- having no quality
- having faults or defects
- heat prostration
- heliograph
- heliocentric parallax
- heliographic
- halide
- hemi sphere