Near rhymes:
* Sprungle: This word is not common, but it rhymes with "frugal".
* Dual: This word has a similar sound to "frugal" but is not a perfect rhyme.
Words with similar sounds:
* Spool: This word has a similar "oo" sound to "frugal".
* Gruel: This word has a similar "u" sound to "frugal".
Other options:
You could also consider using words that have similar meanings to "frugal" and rhyme with those words, like "thrifty" or "economical".
It's important to note that perfect rhymes are often more difficult to find when dealing with less common words like "frugal."