by the way (incidentally)

(biochemistry) vitamin A

regarding; concerning; with regard to

next, after this / following, below

(of food consumed) without liquids, such as a glass of water, to help digestion / (by extension, idiomatic, of information conveyed) without preparation, especially in a manner considered shocking

A positive (blood type)

A negative (blood type)

aboard; on board (in or into a craft)

(colloquial) to do [with something] (related or relevant) / (used with words tudo, nada, mais, muito, algo etc.) matching, harmonizing

safe (not in danger)