Adverb suffixes are specific endings added to base words, especially adjectives, to form adverbs.
1) 1. -ly (Manner)
quick - quickly
happy - happily
slow - slowly
easy - easily
2. -ward / -wards (Direction)
back - backward
up - upward
out - outward
3. -wise (Relation / Topic)
clock - clockwise
other - otherwise
length - lengthwise
4. -fold (Multiplication / Parts)
two - twofold
three - threefold
many - manifold
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