• 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 Η, lowercase η) is the seventh letter of the Greek alphabet. In the system of Greek numerals it has a value of 8.