Monosyllabic words generally lack an accent (e.g. , ). The accent is written, however, if there is an or a preceding another vowel (, ). This applies even if the is "silent", i.e. part of the digraphs or representing /tʃ/ and /dʒ/ (, ). It does not apply, however, if the word begins with (, ). Many monosyllabic words are spelled with an accent in order to avoid ambiguity with other words (e.g. versus ). This is known as "accento distintivo" and also occurs in other Romance languages (e.g. the Spanish "tilde diacrítica").