Prefix "sym" or "syn" originates from Greek, meaning with or together with. The prefix can also be "sy" or "syl" in spelling.
cred originates from Latin word crēdere, means "to believe."
some of these 33 words are foreign words adopted by English speakers; others are just strange-looking words.
"grad" and "gress" are originated from Latin verb gradus/gressus, meaning to walk or to advance.
Root "fer" is originated from Latin word "ferre", means carry or bear.
Root "cur" is originated from Latin word "cūrāre", means care, cure or manage.
dia is a root word originated from Greek, meaning "through" or "between".