Always. The word Hebrew is a language, a culture and a religion. In all cases it needs a capital letter at the start.
You can always say "Master" (מאסטר) in Hebrew, but the right word for that is "Adon" (אדון).
The nun is a letter from the Hebrew alphabet - there's also a final nun, which always appears at the end of a Hebrew word.
GMAT, the exam, is the same in Hebrew as it is in English. It's an international acronym, and it's always written in English letters, even in Hebrew.
The Hebrew word for love is ahava (אהבה) and its oldest recorded use is in the Torah, but its actual origin is unknown.
banu spelled ×‘× ×• means "in us" and spelled ×‘×× ×• means "we arrived". In liturgical Hebrew, it only becomes vanu when it follows a word that ends in a vowel sound. In Modern Hebrew, it is always banu.
The Word. ("In the beginning was the Word, and the Word was with God, and the Word was God." John 1:1) In heaven Jesus is God. He always was and always will exist.
There is no Hebrew word for "an." There is no indefinite article in Hebrew.
Calalini is not a Hebrew word and has no meaning in Hebrew.
The word "womack" doesn't have a Hebrew definition.The word "womack" doesn't have a Hebrew word. It's a name. You can spell it ווֹמאק in Hebrew letters.
Sydney is not a Hebrew word. It has no meaning in Hebrew.
diestra has no meaning in Hebrew. This is not a Hebrew word.