Yes there are trillions of words in world language. Not just plaguing.
I believe it is the letter "e".
Irish land.
The letter S. (18,824 words)
Not that I know of. Kiss is not a math word!
Health term Faint:Pass out Sight term Faint: obscure
I believe that the letter 'S' starts more words than any other letter in the English Language
Also
No
This would be any fraction where the numerator is smaller than the denominator. There also can't be any number in front of the fraction. In other words, it can be a mixed number.
Because of its ready acceptance of loan works from other languages over the last several hundred years and its ready acceptance of new words, the English language probably has more word at present than any other language. But, of course, most people who use English in daily life know and use only a very small fraction of those words
I don't see a pattern other than they sound much the same:archbeachchurcheachlurchmarchpeachreachrichsearchspinachteachtouchmuchbatchbitchbotchcatchditchhitchitchmatchpitchstitchswatchswitchwatchwitch
Any other what? You need to be specific.