| In Danish the tones have been replaced by glottalization in instances in which Norwegian and Swedish have the first type. |
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| For example, although Omotic languages have glottalization, as do most Afro-Asiatic languages, they do not have the pharyngeal consonants that are common among the other members of that phylum. |
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| Glottalization ceases or modifies phonation by compressing the vocal folds. |
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| For the insertion of glottal stops before certain consonants, see Glottalization below. |
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