sentences:  But a few times the female form is employed for both sexes, like in "male nurse", "male midwife" in several languages.And in few cases the male form is derived from the female, as in words for "widow/widower", "whore/manwhore" etc.A further complication is that the creation of distinctly different job titles for men and women means that in writing about hypothetical people of undetermined gender, both words must be mentioned each time, which can become quite cumbersome, or one of the titles must be accepted as genderless which is inherently unfair.