No.
Source: Collins Dictionary
No. Ug is not an allowable Scrabble word.
No. Iv is not an allowable Scrabble word.
No. Ez is not an allowable Scrabble word.
Yes. Ag is an allowable Scrabble word.
Yes. Quale is an allowable Scrabble word.
No. Ug is not an allowable Scrabble word.
No. Najo is not an allowable Scrabble word.
No. Iv is not an allowable Scrabble word.
No. Ez is not an allowable Scrabble word.
Yes. Quale is an allowable Scrabble word.
No. Tir is not an allowable Scrabble word.
Yes. Ag is an allowable Scrabble word.
No. Wol is not an allowable Scrabble word.
Yes. Tech is an allowable Scrabble word.
Jove is Jupiter.Actually Jupiter is derived from Jove Pater or father Jove.
Jove is the Ancient Roman chief god, often called Jupiter (which means "father Jove"--Jove Pater). Saying "by Jove" is like saying "by God".
Yes. Ho is an allowable Scrabble word.