However, in other cases, like in the Greek examples, crasis is the orthographic representation of the encliticization and the vowel reduction of one grammatical form with another.
[n 1] In Ancient Greek, a coronis (κορωνίς korōnís "curved"; plural κορωνίδες korōnídes) marks the vowel from crasis.
In addition, the crasis à is pronounced lower as /a/ than the article or preposition a, as /ɐ/, in the examples in standard European Portuguese, but the qualitative distinction is not made by most speakers in Brazilian Portuguese (some dialects, like Rio de Janeiro's fluminense, are exceptions and make the distinction).
); verbs; personal pronouns; numerals, plural nouns without the use of the feminine plural definite article as ("the"); city names that do not use a feminine article; the word casa ("house") if it has the meaning of one's own home; the word terra ("earth") when it has the meaning of soil; and indefinite, personal, relative or demonstrative pronouns (except the third person and aquele(s) or aquela(s)); between identical nouns such as dia a dia "day by day", "everyday", "daily life", gota a gota "dropwise", "drip", and cara a cara "face to face"; and after prepositions.
The grave accent is optional in the following cases: In Spanish, crasis occurs between the prepositions a or de and the masculine definite article el.