There is no other way to spell it.
There are 168 metres. Linear mean the 168 metres are extending along a straight or nearly straight line.
Straight is defined as continuing in the same direction, without bends or curves; such as a line. In slang terminology, straight means heterosexual.
It means points that are on the same straight line.
Well if you mean a number then its the same everywhere (5). But if you mean how do you spell it then it is spelled 'five'
Here the word spell does not mean spelling, or to cast a wizard's spell, although it may have derived from the same words. A "spell" is just an unspecified period of time, and a "sunny spell" would indicate several days of good weather, rather than having a "rainy spell".
The same as a straight line.
In the United States it is most common to use the spelling, 'Chanukah. However, there are many other spelling variations that all mean the same thing.
Do you mean synchronized, as in two things doing something at the same time?
Don't you mean "burrito"? (it is spelled the same way in French)
Collinear means lying in the same straight line.
2
you spell it the same way you spell it in English!