headmistress

As nouns the difference between headmistress and null

is that headmistress is (chiefly|british) a female school principal while null is zero, nil; the cardinal number before einn.

As nouns the difference between headmistress and housemistress

is that headmistress is (chiefly|british) a female school principal while housemistress is female housemaster.

As a noun headmistress

is (chiefly|british) a female school principal.

As an adjective undefined is

lacking a definition or value.

is likely misspelled.

has no English definition.

As a noun headmistress

is a female school principal.

As nouns the difference between headmistress and director

is that headmistress is (chiefly|british) a female school principal while director is one who directs; the person in charge of managing a department or directorate (eg, director of engineering''), project, or production (as in a show or film, eg, ''film director ).

As nouns the difference between headmistress and directress

is that headmistress is a female school principal while directress is a female director.

As nouns the difference between headmistress and headmasters

is that headmistress is (chiefly|british) a female school principal while headmasters is .

As nouns the difference between headmistress and teacher

is that headmistress is (chiefly|british) a female school principal while teacher is a person who teaches, especially one employed in a school.

Headmister is often a misspelling of headmistress.

Headmister has no English definition.

As a noun headmistress is

a female school principal.

As nouns the difference between taxonomy and headmistress

is that taxonomy is the science or the technique used to make a classification while headmistress is (chiefly|british) a female school principal.