Another word for letter
A unit of the alphabet
The Greek letters are: alpha, beta, gamma, delta, epsilon, zeta, eta, theta, iota, kappa, lambda, mu, nu, xi, omicron, pi, rho, sigma, tau, upsilon, phi, chi, psi, omega.
A written communication
Types of letters include: business, form, circular, drop, open, chain, cover, fan, love, personal; letter of credit, letter of resignation, billet-doux, postcard, postal, direct mail advertising, junk mail*.