Short Adjectives (1 syllable)
Adjectives ending in - y
Longer adjectives (two or more syllables)
Irregular adjectives
Random!
100
long
longer than
100
easy
easier than
100
difficult
more difficult than
100
good
better than
100
friendly
friendlier
200
short
shorter than
200
happy
happier than
200
important
more important than
200
bad
worse than
200
exciting
more exciting than
300

full

fuller than

300
busy
busier than
300
modern
more modern than
300
far
further than
300

practical

more practical than

400

shy

shyer than

400
funny
funnier than
400

typical

more typical than

400

little

less than - ammounts or numbers - He got less money than me.

If it's about size - 2 options 

1. little change to - smaller than He smaller than her

2. little - littler than 

400
strong
stronger than
500
tall
taller than
500
lazy
lazier than
500

intelligent

more intelligent than

500

well

better than

500

thirsty

thirstier than