Words that mean the same as the word 'beginning' are: start, origin, outset, onset, inception, source...
A prefix is a group of letters that are added to the beginning of a word to change its meaning. It is not related to the word's ending or suffix, but rather modifies the word's definition at the start.
alliteration alliteration
Some words with the same beginning sound as 'continue' are: continent, content, contend, continue, and contiguous.
elevated.
The word "sunrise" has the same beginning sound as the word "Sunday."
The best word for "words that mean the same thing" is synonym. A synonym for big is large, for example.
The word for a word that is similar to another in meaning is synonym.
Absent
The use of the same sound at the beginning of each word in a line or a sentence.
Synonyms are the different words that mean the same thing. Like for the word mean, a synonym would be unkind. Antonyms are words that mean the opposite of a word. For the word mean, an antonym might be nice.
A beginning consonant means the beginning of a word. A beginning consonant means the beginning of a word.
Verbatim.