- H is the 8th letter of the Latin alphabet
- H and 8 often have very similar names:
- in English: H=aitch, 8=eight
- in Spanish: H=hache, 8=ocho
- in Italian: H=acca, 8=otto
- H is the 8th most frequent letter of English
- the three most frequent letters of English are: e, t, a
Eta (uppercase Î—, lowercase Î·) is the seventh letter of the Greek alphabet. In the system of Greek numerals it has a value of 8.