How to spell SPIRULE correctly?

If you've made the common misspelling "spirule", fret not! Here are some correct suggestions to help you out. The correct term is "spiral". Ensure you remember the 'a' to correctly represent the winding shape. Alternatively, if you're referring to an organism, the correct term is "spirulina", a type of cyanobacteria. Keep these suggestions in mind to avoid the misspelling in the future!