A short stressed vowel doubles the final consonant (dik → dikker).
Use the comparative with dan (dunner dan…) and the superlative with het (het dunste).
The comparative (vergrotende trap) of dun is dunner. A short stressed vowel doubles the final consonant (dik → dikker). Use it with 'dan': ...dunner dan...
The superlative (overtreffende trap) of dun is dunst, usually used as het dunste.
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