How to spell THUMPIN correctly?

If the intended spelling is "thumping", some possible suggestions are: thumping, thumpings, thumpin', thumpiness, thumper, thumped. If the intended spelling is "thumblin", some possible suggestions are: tumblin', thumbing, thimbling, thumbling, thumbring, thumblin'.

• Thumbing Thumbing through the pages of the book, she found the answer to the question she had been struggling with.
• thump
• Thumped The door thumped loudly as the storm raged outside.
• thumping I could hear the thumping beat of the music coming from the club down the street.
• thumps

Contempories

• contemporaneous
• contemporaries
• contemporary
• contemptuous
• cotemporaries