- Heterosome Noun
- Heterosphere Noun
- Heterospory Noun
- Heterostructure Noun
- Heterostylism Noun
- Heterostyly Noun
- Heterosynapsis Noun
- Heterotaxia Noun
- Heterotaxis Noun
- Heterotaxy Noun
- Heterothallism Noun
- Heterothermy Noun
- Heterotopia Noun
- Heterotopy Noun
- Heterotransplant Noun
- Heterotransplantation Noun
- Heterotroph Noun
- Heterotrophism Noun
- Heterotrophy Noun
- Heterotype Noun
- Heterozygosis Noun
- Heterozygosity Noun
- Heterozygote Noun
- Hetman Noun
- Heugh Noun
- Heulandite Noun
- Heusler Noun
- Hevea Noun
- Hew Verb Noun
- Hewer Noun
- Hewettite Noun
- Hewing Noun
- Hex Noun Verb
- Hexaborane Noun
- Hexaboride Noun
- Hexacanth Adj Noun
- Hexacanthing Noun
- Hexachloride Noun
- Hexachloroacetone Noun
- Hexachlorobenzene Noun
- Hexachlorobutadiene Noun
- Hexachlorocyclohexane Noun
- Hexachloroethane Noun
- Hexachlorophene Noun
- Hexachord Noun
- Hexacontane Noun
- Hexacosane Noun
- Hexad Noun
- Hexadactylism Noun
- Hexadecamer Noun
- Hexadecane Noun
- Hexadecene Noun
- Hexadecimal Adj Noun
- Hexadecyl Adj Noun
- Hexadiene Noun
- Hexaemeron Noun
- Hexafluoride Noun
- Hexafoil Noun
- Hexagon Noun
- Hexagonality Noun