synonyms
The word as well as means "in addition to" while the word beside means "to compare with". So the have different meaning.
aside!
Beside Aside Alongside Adjoining Adjacent By With Neighboring Near Nearby Contiguous Abreast
Being a preposition, beside has no plural form. The word besides, meaning "also," is not a plural form, but rather an adverbial genitive.
A word that has the same meaning as another word is a synonym.
It is late Latin(1520's) from the word Digredi meaning to go aside or depart
It is a native American word meaning 'beside the long tidal river' Original spelling Quinnehtukqut
The word in the passage with the same meaning as instantly is "immediately."
The "para" in "paragraph" comes from the Greek word "para," which means "beside." In a paragraph, several sentences are grouped together to discuss a specific idea or topic, appearing beside each other within the same block of text.
the micmac word kaleboo meaning pawer or scratcher from its foraging by kicking snow aside
'Deflect'
Some words that contain the root word "onym" are synonym (meaning a word with a similar meaning), antonym (meaning a word with the opposite meaning), and homonym (meaning a word that sounds the same but has a different meaning).