The term 'banana' can be found in four different crossword solutions: ESTERS (6 letters), ESTER (5 letters), PLANTAIN (8 letters), TOP (3 letters), and SPLIT (5 letters). Esters are organic compounds derived from an acid in which at least one -OH group is replaced by an -O-alkyl group. An ESTER is a type of organic compound that is formed when an acid reacts with an alcohol. Plantains are a type of banana that is starchier and less sweet than the common banana. The TOP of a banana is the stem end, which is usually green when unripe and yellow when ripe. To SPLIT a banana means to cut it lengthwise into two halves.