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"Tropas" is a form of "tropas", a plural noun which is often translated as "army". "Filas" is a form of "filas", a plural noun which is often translated as "ranks". Learn more about the difference between "tropas" and "filas" below.
las tropas(
troh
-
pahs
)A plural noun indicates that there is more than one person, place, thing, or idea.
1. (military)
la tropa
A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
2. (military)
b. rank and file
La tropa está en constante entrenamiento.The rank and file is in constant training.
3. (colloquial) (multitude)
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
las filas(
fee
-
lahs
)la fila
A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
a. line
Nos pusimos en fila para comprar los boletos para el concierto.We got in line to buy the concert tickets.
b. queue (United Kingdom)
Regionalism used in the United Kingdom
Esperamos en fila la llegada de un taxi.We waited in a queue for a taxi to arrive.
c. row (side by side)
Sally acomodó sus muñecas en una fila ordenada en un estante.Sally arranged her dolls into a neat row on a shelf.