Noun

• S: (n) ten, 10, X, tenner, decade (the cardinal number that is the sum of nine and one; the base of the decimal system)
• direct hypernym / inherited hypernym / sister term
• S: (n) X, x, ex (the 24th letter of the Roman alphabet)
• member holonym
• S: (n) Roman alphabet, Latin alphabet (the alphabet evolved by the ancient Romans which serves for writing most of the languages of western Europe)
• direct hypernym / inherited hypernym / sister term
• S: (n) letter, letter of the alphabet, alphabetic character (the conventional characters of the alphabet used to represent speech) "his grandmother taught him his letters"
• S: (n) character, graph, grapheme, graphic symbol (a written symbol that is used to represent speech) "the Greek alphabet has 24 characters"
• S: (n) written symbol, printed symbol (a written or printed symbol)
• S: (n) symbol (an arbitrary sign (written or printed) that has acquired a conventional significance)
• S: (n) signal, signaling, sign (any nonverbal action or gesture that encodes a message) "signals from the boat suddenly stopped"
• S: (n) communication (something that is communicated by or to or between people or groups)
• S: (n) abstraction, abstract entity (a general concept formed by extracting common features from specific examples)
• S: (n) entity (that which is perceived or known or inferred to have its own distinct existence (living or nonliving))
• S: (n) Adam, ecstasy, XTC, go, disco biscuit, cristal, X, hug drug (street names for methylenedioxymethamphetamine)

Adjective

• S: (adj) ten, 10, x (being one more than nine)