The term 'Feminine Suffix' refers to a group of suffixes that are added to the end of words to indicate femininity. The crossword solutions for this term include ELLA (4 letters), ESS (3 letters), ENNE (4 letters), ETTE (4 letters), INA (3 letters), INE (3 letters), EUSE (4 letters), TRIX (4 letters), and TRESS (5 letters). These suffixes are commonly used in English, French, and Spanish to denote female gender. For example, the suffix '-ette' is often used to create diminutive forms of words, such as kitchenette or usherette. Similarly, the suffix '-ina' is used to create feminine forms of words, such as medicina or cantina. The suffix '-ine' is also used to create feminine forms of words, such as heroine or valentine. Finally, the suffix '-trix' is used to create female versions of words, such as aviatrix or executrix.