Other – el otro (m) la otra (f)
(Pronounced o-tro (m) or o-tra (f))
To remember that other is pronounced o-tro or o-tra (otro/otra) in Spanish, use the following mnemonic:
The others looked on in envy as the clever otters rowed (otro (m)) down stream in their canoe.
The other otters ran (otra (f)) alongside.