- hexagrammos decagrammus
- harmonic law
- have an open mind
- hold aloof from
- hold cards close to chest
- have finger on the pulse
- have finger on the pulse of
- hold in check
- hepatic coma
- heinrich von kleist
- harry fitch kleinfelter
- harry f. klinefelter
- hans adolf krebs
- harold w. kroto
- harold kroto
- hereditament
- holding the position of
- Hitchiti
- heterosexism
- Hopi
- husband's younger brother
- hieracium venosum
- heart ventricle
- husking
- heterobasidiomycetes
- hemifacial spasm
- homelike
- having a basis
- helminth
- hunter_gatherer
- headhunter
- harsh on
- hearthrug
- he_goat
- hydroflumethiazide
- high energy physics
- high_energy physics
- home record
- home room
- henry hubert turner
- harmfully
- hard beech
- harmlessly
- huambo
- Hindu numeral
- Hindu_Arabic numeral
- haptoglobin
- horseshoe bat
- hognose bat
- hume cronyn