they are pairs of words that seem to be cognates<span> because of similar sounds and meaning, but have different etymologies; they can be within the same language or from different languages. ... (For example: Spanish dependiente looks like dependent, but means employee as well.</span>
Incorrect- yo siempre me duermo a las diez
Uno=one/tengo=must, i think uno tengo, but then it could be que tengo.