This is the 13456th most frequent Spanish word.
reds
"Reds" is not a Spanish word. It may be an English word or a misspelling.
The word 'rojos' (reds) describes the color of the teams, used as an adjective to denote their defining characteristic.
Los equipos rojos compiten en el torneo.
The red teams compete in the tournament.
Here, the word 'redes' (networks) relates to social networks or webs, used as a noun representing the structure connecting individuals.
Las redes sociales conectan a las personas.
Social networks connect people.
The term 'rojas' (red) functions as an adjective, specifying the color of the grapes.