As nouns the difference between commandant and marshal
is that commandant is a commanding officer, usually of a specific force or division while marshal is a high-ranking officer in the household of a medieval prince or lord, who was originally in charge of the cavalry and later the military forces in general.
As a verb marshal is
to arrange troops etc in line for inspection or a parade.
commandant
Noun
(
en noun)
A commanding officer, usually of a specific force or division.
marshal
Alternative forms
* Marshall (rare)
Proper noun
(
en proper noun)
for someone who was in charge of the horses of a royal household, or an occupational surname for someone who looked after horses, or was responsible for the custody of prisoners.
, transferred use of the surname since nineteenth century.
English surnames from occupations