The term INVITING WORD is composed of two words, COME and LETS, which are both four letters long. COME is an imperative verb that is used to invite someone to join in an activity or to COME closer. LETS is a contraction of the phrase 'let us' which is also used to invite someone to join in an activity. Together, these two words form an inviting word that is used to encourage someone to join in an activity.