Cheaper, faster, better?

Nas saoire, nas luaithe, nas fheàrr?

We saw buadhairean coimeasach (comparative adjectives) and  buadhairean feabhasach (superlative adjectives) before in B1 Cuspair 1. We learnt that we put:

nas with the buadhair caolaichte (slenderised adjective) to make a buadhair coimeasach (comparative); and

as with a buadhair caolaichte (slenderised adjective) to make a buadhair feabhasach (superlative).

BUADHAIR COIMEASACH FEABHASACH
saornas saoireas saoire
cheap, freecheapercheapest
luathnas luaitheas luaithe
fast, swiftfasterfastest
cosgailnas cosgaileas cosgaile
expensivemore expensivemost expensive
daornas daoireas daoire
dear, expensivedearerdearest
trangnas traingeas trainge
busybusierbusiest
saor
cheap, free
nas saoire
cheaper
as saoire
cheapest
luath
fast/swift
nas luaithe
faster
as luaithe
fastest
cosgail
expensive
nas cosgaile
more expensive
as cosgaile
most expensive
daor
dear
nas daoire
dearer
as daoire
dearest
trang
busy
nas trainge
busier
as trainge
busiest