duo /dooˈō, dūˈō/

1. A duet
2. Two persons, etc, associated in some way (eg a pair of musicians or variety artists)

• functionary
• functionate
• functionated
• functionates
• functionating
• functioned
• functioning
• function key
• function keys
• functionless
• functions
• function word
• function words
• functor
• functors
• functus officio
• fund
• fundable
• fundament
• fundamental
• fundamentalism
• fundamentalisms
• fundamentalist
• fundamentalists
• fundamentalities