The term 'inquisitive sort' refers to someone who is naturally curious and likes to ask questions. The crossword solutions for this term are ASKER (5 letters), SNOOP (5 letters), and ASKED (5 letters). An 'ASKER' is someone who poses questions, while a 'SNOOP' is someone who investigates or looks into something without permission. To be asked is to be questioned. All three words relate to the term inquisitive sort in that they all involve asking or being asked questions.