The term 'is suspicious' can be broken down into three crossword solutions: FEARS (5 letters), SMELLS (6 letters), and SMELLSARAT (10 letters). FEARS is an emotion that is often associated with SUSPICION, as one may fear the unknown or the potential consequences of a situation. SMELLS is a verb that can be used to describe the act of detecting something that is suspicious. Finally, SMELLSARAT is a combination of the words 'SMELL' and 'SUSPICION, ' which implies that something SMELLS suspicious.