ai is not a Hebrew word.
agudas is the ashkenazic pronunciation of the Hebrew word agudat, which means "society of"
The schewa in Hebrew pronunciation is a diacritic mark that indicates the absence of a vowel sound. It affects the way a word is pronounced and can change the meaning of a word. Mastering the schewa is important for accurate pronunciation and understanding of Hebrew words.
Sceadu is an Old English word, not a Hebrew word. See related links for pronunciation.
Mezoinois looks like the Yiddish pronunciation of the Hebrew word mezonot (מזונות) which means foods or alimony.
darkness = khoshekh (חושך)
The Hebrew word used in that context is טוב (tov), which is exactly equivalent to the English word "good" but it can also be used for "pleasant" or "excellent".
There are many links for Hebrew translation. Google translate will also transliterate the Hebrew word using English pronunciation.
First book in the Bible is Genesis, which means "birth" in the Greek word or "origin" in Hebrew.
This is just the Yiddish-dialected pronunciation of the Hebrew word "YIS-rah-EHL", meaning 'Israel'.
The name "Ruth" is a word that came directly from Hebrew with very little change. The Hebrew pronunciation is "ROOS" for Ashkenazic Hebrew speakers, and "ROOT" for Sephardic Hebrew speakers.
The word 'genesis' means beginning or origin. So, the Book of Genesis contains the Hebrew traditions about the origins of the world and of their people. There was nobody called 'Genesis', and the book was not written by anyone of that name.