Why is it called Ram's name is bigger than Shri Ram?

Why is it called Ram's name is bigger than Shri Ram? आखिर क्यो कहा जाता है राम से बड़ा है राम का नाम? श्री रामांपेक्षा रामाचे नाव मोठे आहे असे का म्हटले जाते ? According to the Uttar Ramayana, the main scripture of Hinduism, when Ashwamegh Yagya was completed, Lord Shri Ram organized a very large gathering. In which he invited all the Gods, sages, muni , yakshas and kings etc. in it. It is said that on the instigation of Narada Muni who came to the meeting, a king presented in the meeting greeted everyone except sage Vishwamitra. Due to which the sage Vishwamitra was enraged and he told Lord Shri Ram that if Shri Ram did not give death penalty to that king before sunset, he would curse him. On this, Shriram vowed to kill that king before sunset.  On receiving the news of Shriram's vow,  that king run fast and went to the shelter of Lord Hanuman's mother Anjani  and asked for the promise of protecting his life without telling