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