The wrongly spelt word is Expidition. The correct spelling is Expedition.
Here is a breakdown of the spelling of each word:
- Extempore is spelled correctly. It means "without preparation or rehearsal".
- Expedition is spelled correctly. It means a journey undertaken for a particular purpose.
- Experiment is spelled correctly. It means a scientific procedure carried out to test or establish the validity of a hypothesis.
- Extinct is spelled correctly. It means no longer existing.
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