Why el agua instead of la agua ?

Both agua and águila, which mean "water" and "eagle," respectively, are feminine nouns. Yet we say el agua and el águila, making exceptions to the rule that la is used with feminine nouns. The reason has to do with pronunciation — la agua would sound the same as lagua and might be confusing. But language is seldom logical, so don't try substituting el for la whenever a word that starts with a- follows. Learn more...