• lucophane,
• kusophone,
• pusophone,
• ousophone,
• lysophone,
• lhsophone,
• ljsophone,
• lisophone,
• l8sophone,
• l7sophone,
• luaophone,
• luzophone,
• luxophone,
• ludophone,
• lueophone,
• luwophone,
• lusiphone,
• luskphone,
• luslphone,
• luspphone

• Lucien,
• lucene,
• Lusigen,
• Lisian,
• Lucine,
• Luciano,
• lucasian,
• lucane,
• Lucinda,
• Loscano,
• Luken,
• lusitano.

The adjective form of the word "lusophone" is "lusophonic".

The plural form of the word "lusophone" is "lusophones".

The singular form of the word "lusophone" is "lusophone". The word "lusophone" is an adjective used to describe someone who speaks Portuguese or someone from a Portuguese-speaking country. The singular and plural forms are the same.