Merriam-Webster's Official Scrabble Players Dictionary includes approximately 100 two letter scrabble words. Jo is the only 2 letter word in the dictionary starting with the letter j.
Justify is a verb. It begins with J.
Quij
Judo
jalapeno pepper
No element in the periodic table begins with the letter J.
Jump is shouted. It begins with the letter j.
Janitor is a sanitation word. It begins with the letter j.
Jealousy
Juxtapositions
jealous
jupiter
Jealous, jealousy and jeans begin with the letter j. The letter a is the third letter.
There are no words in the English language that begin with the letter "i" and end with the letter j.
Jirja is a city in Egypt. It begins with the letter J.
Jolt, Jamb
joey
java