duo

As a noun null is

zero, nil; the cardinal number before einn.

As a letter s

is the letter s with a.

As a pronoun man is

i.

As a letter x is

the twenty-fourth letter of the.

As a symbol x is

voiceless velar fricative.

As a noun team

is team.

As an adjective undefined is

lacking a definition or value.

As a noun friend is

a quaker; a member of the.

As a proper noun friend is

.

Duo is a related term of duplex.

As nouns the difference between duplex and duo

is that duplex is house made up of two dwelling units while duo is a twosome, especially musicians.

As an adjective duplex

is double, made up of two parts.

As a verb duplex

is to make duplex.

As a proper noun Duo is

an unincorporated community in West Virginia.

As a verb combo

is .