α β γ δ ε ζ θ κ λ μ ν ξ ο π σ τ υ φ χ ψ ἀ ἁ ἄ ἅ ἆ ἐ ἑ ἔ ἕ ἠ ἡ ἤ ἥ ἦ ἧ ἰ ἱ ἴ ἵ ἶ ὀ ὁ ὄ ὅ ὑ ὕ ὗ ὠ ὡ ὤ ὥ ὦ ὧ ᾄ ᾅ ᾠ ῥ

Letter ἤ has 8 occurences.

Count	word	def
88	ἤδη	even now
0	ἤμην	I was
1	ἤπερ	than at all (or than perhaps, than indeed)
2	ἤπιος	properly, affable, i.e. mild or kind
14	Ἤρ	Er, an Israelite
1	ἤρεμος	tranquil
0	ἤτοι	either indeed
0	ἤτω	let him (or it) be