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This puzzle is in the spirit of the What is a Word/Phrase™ series started by JLee with a special brand of Phrase™ and Word™ puzzles.
If a word is satisfied by a following rule, I call it a Row word. Here is the list of Row words™ and Non-row words™:
| Row Words™ | Non-Row Words™ |
|---|---|
| row | column |
| perpetuity | probability |
| ashfall | volcano |
| yippie | happy |
| sad | cry |
| rupturewort | rupturing |
| proprietor | seven |
| wetter | dryer |
| fall | jump |
| all | everywhere |
| rep | exercise |
| typewriter | writing |
Question: What is the rule?
Row words are words that can be:
Written on a single row of a qwerty keyboard.
Examples:
QWERTYUIOP contains all the letters to write TYPEWRITER and PROPRIETOR, but it is missing some of the letters that you would need to write SEVEN or WRITING.
