Comparison

Comparative: most adjectives use the comparative particle "aba" after the adjective.
Superlative: most adjectives use the superlative particle "kaba" after the adjective.
Examples:

This planet is bigger then other = En ak roxon dok aba ak oni
This planet is the biggest = En ak roxon ak dok kaba

Dictionary:

en = is
ak = the
dok = big
oni = other