Noun, Plural or singular
The word footman is a noun. The plural form is footmen.
"The gates were lowered by the footmen" is not in active voice. An equivalent phrase using the active voice would be "The footmen lowered the gates".
Henchmen
Security
The plural of footman is footmen.
part of speech
The part of speech for this particular word is a noun.
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
If Footmen Tire You What Will Horses Do - 1971 was released on: USA: 17 November 1971 (Charleston, West Virginia)
The part of speech for "explicit" is an adjective.