Hindi is spoken by over 691 million people around the world. It is the official language of India. It is primarily spoken in India, especially in the northern and central regions. It is additionally spoken by Indian communities in other parts of the world, such as the United States, Canada, and a number of others.
    
    
Thai, on the other hand, is spoken by over 20 million people in Thailand, and 60 million people worldwide, including Cambodia, Myanmar, Northern Malaysia, Cambodia, Laos, The United States of America, France and England. 
    
    
Thai and Hindi are two distinct languages. Thai belongs to the Tai-Kadai language family and is the official language of Thailand. Hindi, on the other hand, is an Indo-Aryan language spoken in the Indian subcontinent.
    
    
When it comes to grammar, Thai follows a subject-verb-object sentence structure, similar to English, while Hindi follows a subject-object-verb sentence structure.
    
    
Additionally, the writing systems used by the two languages are also different. Thai uses its own script, which is an abugida script, while Hindi uses the Devanagari script.
    
    
Despite these differences, both languages have some similarities as well. For instance, both languages use honorifics to show respect when addressing elders. In Thai, the honorific "คุณ" (khun) is added before someone's name to show respect, while in Hindi, the honorific "जी" (ji) is added. For example, instead of calling someone "สวัสดี" (sawasdee) in Thai, you might use "คุณสวัสดี" (khun sawasdee) to show respect, and in Hindi, instead of "रवि" (Ravi), you might use "रवि जी" (Ravi-ji).
    
    
Apart from their languages, Thai and Indian cultures exhibit various commonalities. These include demonstrating reverence for elders, observing festivals and significant events, placing a strong emphasis on education, adorning traditional attire, and cherishing the values of hospitality and culinary traditions.