Correct spelling, explanation: double p in opportunity comes from Latin origin: opportunitatem. The Latin word was created by combining the prefix ob- with the word portem, so the sounds b and p next to each other had to be unvoiced. This is why there is double p in opportunity, and oportunity is incorrect.

Definition of opportunity:
noun, a chance or situation that enables something
This job is a huge opportunity, you should take it.
I’ve never had an opportunity to meet anyone famous.

Common expressions and phrases with opportunity:
a once-in-a-lifetime opportunity, an opportunity that may never happen again
equal opportunities, treating all people the same, regardless of sex, race, etc.
at the earliest opportunity, as soon as possible
a window of opportunity, a favorable opportunity for doing something that may disappear soon

Incorrect spelling, explanation: oportunity is incorrect, because of the fact, that the word comes from Latin opportunitatem. This is why we spell this word with double p: opportunity. Double p is there due to pronunciation in Latin because the prefix ob- was added to the word portem, so b had to be unvoiced. Therefore opportunity is the correct form later in English.

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Incorrect spelling

Incorrect spelling

Incorrect spelling

Incorrect spelling

Incorrect spelling