Kamikaze is the correct spelling.
The correct spelling is 'Connecticut'.
The correct spelling is, indeed, Copernicus.
Same spelling as English.
That is the correct spelling of "ottoman", a hassock or stool. The capitalized spelling Ottoman refers to a people and an empire of Turkey.
The correct spelling is "pattern"
That is the correct spelling of "delight" (it is sometimes styled as delite).
The correct spelling is aesthetics. (sometimes esthetics in the US)
That is the correct spelling of "instead" (alternatively, rather than).
The usual spelling is synagogue. However, it is sometimes spelled synagog.
That is the correct spelling of "blue jay" (sometimes capitalized).
The correct spelling is "mandarin orange" (sometimes capitalized).
The correct spelling is scissors. Hard to say sometimes; harder to pronounce sometimes. Note the c seems silent.
That is the correct spelling of "tendonosis" which is not tendinitis but rather cellular damage to a tendon.
The correct spelling of the word for a pattern or guide is template.
The correct spelling is "efficient" (effective, rather than wasteful).
The correct spelling is completed (finished, done).