The term 'Syllables from Santa' refers to two words that are associated with Santa Claus: HOS and HOHO. HOS is a three-letter word that is derived from the phrase 'Ho, ho, ho, ' which is a traditional expression of joy and merriment that Santa Claus is known for saying. HOHO is a four-letter word that is derived from the same phrase. Together, these two words form the term 'Syllables from Santa, ' which is often used to refer to the two words associated with Santa Claus.