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