How to spell CONCENTRAIN correctly?

If you accidentally misspell "concentrain", here are some likely correct alternatives: "concentrate", "constrain" or "concentrain". While the latter isn't a recognized word, it may be a play on "concentration" and "restrain". Doubling down on your focus and limiting yourself could be some alternative interpretations for this creative combination.

• concentrate
• Concentrating I'm having a hard time concentrating on this book because it's so boring.
• concentration I struggle with maintaining concentration when I'm working on a difficult task.
• concentric The target had concentric circles drawn on it for archery practice.

Apsolutly

• absolute
• absolutely
• absolutes
• apostle
• appositely
• aptly
• astutely
• axolotl
• axolotls
• desolately