ἅγιος

→ hagiography, hagiology, hagiographa

Ἅδης

→ hadean, hadopelagic

ἁδρός

→ hadron, hadrosaurus

αἷμα

→ hemophilia, hemorrhage

ἁλκυών

→ halcyon, halcyonic, halcyonidae

ἁλάτι

→ halogen, haloaromatic, halobacteria, halosaur

ἁλύσκειν

→ hallucinosis, hallucinate

ἅλως

→ halo

ἅπαξ

→ hapax legomenon, hapaxes

ἁπλός

→ haplodiploid, haploid, haploidisation, haplorrhini, Haplotype

ἁρμονία

→ harmony, harmonium, harmonica, harmonisation, harmonics...

ἁρμός

→ harmotome, arm

ἕτερος

→ hetero-

εὑρίσκω

→ heuristics

ἡγεσία

→ hegemony

ἥλιος

→ helion, heliotropic, heliocentric

ἥρωας

→ heroism

ἕλιξ

→ helix, helicopter, helicity

ἑπτά

→ heptarchy, heptagon, heptameter

ἱερός

→ hierarchy, hieroglyph

ἱστορία

→ history

ὕδωρ

→ hydrodynamics, hydrolysis

ὕπνος

→ hypnotism

ὅλος

→ holistics

ὅμοιος

→ homeopathy

ὁρίζοντας

→ horizon

ὧρα

→ horoscope