How to spell EXPLANEER correctly?

If you're searching for the correct spelling of "explaneer", you might be referring to "explainer". An explainer is a concise and easy-to-understand presentation that clarifies complex ideas. So, if you intended to refer to an explainer, that'd be the appropriate term.

• expander The dentist inserted an expander into the patient's mouth to widen their jaw.
• explainer The explainer video helped me understand the new software.

Excatally

• exact
• exacted
• exactingly
• exactly
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• executable
• exotically
• extol
• inexactly
• oxtail