Crossword solverSynonyms for essential amino acid9 crossword answers for “essential amino acid” (9,5,4), sorted by letter count.How many letters?All9617181921021311716 letters 1lysine7 letters 1leucine8 letters 1arginine9 letters 2amino acid(5,4)histidine10 letters 2isoleucinemethionine13 letters 1phenylalanine17 letters 1aminoalkanoic acid(13,4)