Adjectives (przymiotniki)

 Adverbs (przysłówki)

busy

busier

the busiest

busily

more busily

the most busily

colourful

more colourful

the most colourful

colourfully

more colourfully

the most colourfully

happy

happier

the happiest

happily

more happily

the most happily

honest

more honest

the most honest

honestly

more honestly

the most honestly

moody

more moody

the most moody

moodily

more moodily

the most moodily

optimistic

more 
optimistic

the most 
optimistic

optimistically

more 
optimistically

the most 
optimistically

pessimistic

more
pessimistic

the most
pessimistic

pessimistically

more 
pessimistically

the most 
pessimistically

rude

ruder

the rudest

rudily

more rudily

the most rudily

serious

more serious

the most serious

seriously

more seriously

the most seriously

sudden

more sudden

the most sudden

suddenly

more suddenly

the most suddenly

useful

more useful

the most useful

usefully

more usefully

the most usefully