Earliest, basic, fundamental, primal, original...
From Latin and very similar to Greek meaning 'around or round about'. It is now a loan word meaning 'both'
The primordial God Erebus (Έρεβος) meaning darkness. Son of Chaos.
From Greek, possibly, via Latin and French, with similar meaning and origin to the word plate.
from similar older words basically meaning burnt or scorched
The word 'plaza' is Spanish meaning a square or a place. A similar Latin word 'plattia' means courtyard.
original firstling primordial
A synonym is a word with a meaning similar to that of another word.
A "synonym" of a word is one that can have the same or a similar meaning.
This is an ambiguous question. It is not clear whether you are looking for words that have a similar sound, or a similar meaning to the word family. In terms of sound, familial sounds rather similar. In terms of meaning, clan, or relatives has a similar meaning.
similar in meaning to expedite.
Representative has a similar meaning to iconic.
A similar meaning to masticate is the word: chew.
different word similar to ambigious
'Cube' is a similar word,but with a totally different meaning
Synonym
A similar meaning of the word avoid is to stay away from or hide from.
The word "respectable" has a similar meaning to honorable.