"Higher" is the comparative of high. The superlative is highest.
Comparative: lazier Superlative: laziest
last
harmful
'Next' is a superlative; it means 'nearest'. The positive is therefore 'near' and the comparative is 'nearer'.
finer, finest
older, oldest
stronger and strongest
busier, and busiest
Comparative: easier Superlative: easiest
Many, more, most.
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