This is the 8955th most frequent Spanish word.
ub
"Ub" is not a word in Spanish.
The word 'ub' appears in the verb 'ubico', which is a conjugation of 'ubicar', meaning 'to locate'.
Ubico la plaza en el mapa.
I locate the square on the map.
The word 'ub' appears in 'ubicada', a participle used as an adjective meaning 'located'.
La estación está ubicada cerca del parque.
The station is located near the park.
The word 'ub' is part of 'ubicar', showing its use in a direct question context.