The term 'Botanist Suffix' can be broken down into four crossword solutions: ASAS (4 letters), MENDEL (6 letters), FLORA (5 letters), and GREGOR (6 letters). ASAS is an acronym for the Association for the Study of Animal Behavior, which is a scientific organization that studies the behavior of animals. MENDEL is a reference to Gregor Mendel, who was an Austrian scientist and is considered the father of modern genetics. FLORA is a reference to the plant life of a particular region or period. Finally, GREGOR is a reference to Gregor Johann Mendel, who was a German botanist and plant physiologist. All of these solutions are related to the field of botany, which is the study of plants.