By using a comma you create a symoltanyus grammar used in the correct way
Words synonymous to the term "biting" are chomping, itching, and nipping. Other synonymous words include stinging, marking, burning, pinching, and wounding.
danger
No part of grammar
The phrase "alteration" can be synonymous with changing in Sonnet 116.
With what? Synonymous means that something has the same meaning, so you have to be more specific. Some slang words mean the same as other words, but some don't.
pomp, pomposity, splendor
The words fluid and unstable are synonymous.
Yes, those words are synonymous.
Grammar of a language is the study of the rules of using the words of that language in sentences or in communication. Roughfly speaking, it is the study of the behavior of words.
Opposite, reverse...
Yes, those words are synonymous.