Lexical stress may be marked orthographically with an acute accent ("ácido", "distinción", etc.). This is done according to the mandatory stress rules of Spanish orthography, which are similar to the tendencies above (differing with words like "distinción") and are defined so as to unequivocally indicate where the stress lies in a given written word. An acute accent may also be used to differentiate homophones, such as "mi" (my), and "mí" (me). In such cases, the accent is used on the homophone that normally receives greater stress when used in a sentence.