The complexity of this question is to great for an adequate answer
A sentence with the word complexity is this sentence doesn't have much complexity.
These algorithms always plague me with their complexity!
Explaining the complexity of the entire process would have involved more time than I was willing to invest.
Because of the complexity of her injuries, a helicopter life-flighted the woman to a trauma center.The complexity of a situation often requires more than one solution.
The organization and complexity of a sentence.
It is not a full sentence. It doesn't have a subject or verb. You would probably call it a prepositional phrase. They stepped into a world of unimagined complexity and beauty. ( subject = they, verb = stepped)
Sentence structure.
The actor's characterization of the politician he plays really needs improvement.
Time complexity and space complexity.
Arithmetic trigonometry and calculus are subjects in mathematics with varying degrees of complexity
I would use it correctly in a sentence, of course. Thank you for asking.
Jarry use paroxysm in a sentence.\