It is what you would call a "vulgarism". Not really obscene (swearing), but not polite language, either.
No, swagger is not a swear word.
No, joks is not a swear word.
It's not a swear word. It's not a curse word either. Heck is never a swear word if people think it's a swear word they are completely wrong.
The Kikuyu word for the English word swear is kuapa.
no feck is not a swear word feck is slang.
No! But sometimes it is a swear word.
"Asked" is not a swear word.
analise is not a swear word because I've never heard it is a swear word and it's often used to names.
No!! But some people consider 'stop it' to be a swear word.
It is in the sense that people use it to swear with when they don't want to use the word that sounds very like it. Any word used to swear with is a swear word. It doesn't have to be sexual or religious.
The Abaluhya (Luhya) equivalent for the English word 'swear' is "witsubee".
cack? Do you mean cake? Why would cake be a swear word?