- hairy darling pea
- hairy tare
- hairy tongue
- hairy vetch
- hairy willowherb
- haiti
- haitian
- haitian capital
- haitian centime
- haitian creole
- haitian monetary unit
- haj
- haji
- hajj
- hake
- hakea
- hakea laurina
- hakea leucoptera
- hakea lissosperma
- hakenkreuz
- hakham
- hakim
- hakka dialect
- halation
- hadith
- hadji
- hadrian
- hadrosaurus
- haeckel
- haemal
- haemal arch
- haemanthus
- haematobia
- haematocolpos
- haematocrit
- haematogenesis
- haematogenic
- haematology
- haematoxylum campechianum
- haemulidae
- haemulon album
- haffle
- hafnium
- haft
- haftarah
- haftorah
- hagada
- haganah
- hagberry tree
- hagfish