The term 'IN SUPPORT OF' can be broken down into three parts: FOR (3 letters), PRO (3 letters), and WITH (4 letters). The first part, FOR, is a preposition that indicates the purpose of something. It is often used to indicate the recipient of an action or the reason FOR an action. The second part, PRO, is an abbreviation of the Latin word 'propositum, ' which means 'FOR the purpose of.' The third part, WITH, is a preposition that indicates accompaniment or association. It is often used to indicate that someone or something is accompanying another person or thing. Together, these three words form a phrase that indicates that someone or something is acting in support of another person or thing.