April Fifth is a day of celebration for many people. The crossword solutions for the term April Fifth are ELL (3 letters), FOOL (4 letters), and ARIES (5 letters). ELL stands for the letter 'L' which is often used to represent the month of April. FOOL is an acronym for 'First Of April Laughing Out Loud', which is a popular saying associated with April Fools' Day. Finally, ARIES is the astrological sign for the month of April.