In English there are no masculine or feminine forms. English uses gender specific nouns for male or female.
The noun 'press relations officer' is a common gender noun, a word for a male or a female.
Public Relations Officer
Ero una poliziotta.
The feminine form of ami is amie. The feminine plural is amies.
The feminine form of "policeman" is "policewoman." Both terms refer to individuals who work in law enforcement, but "policewoman" specifically denotes a female officer. In many contexts, the term "police officer" is now commonly used as a gender-neutral alternative.
The feminine form of alumnus is alumna. The feminine plural is alumnae.
The feminine form of bajo is baja. The feminine plural is bajas.
Mistress is the feminine form of master. It is already in feminine form.
Baroness is the feminine form.
The feminine form of charmant is charmante. The feminine plural is charmantes.
The feminine form for host is "hostess."
The feminine form of benefactor is benefactress.
The feminine form of "mauvais" is "mauvaise."