• Beautiful: [adjective]
- English meaning: Very attractive.
- Bangla meaning: সুন্দর, চমৎকার; মন ও ইন্দ্রিয়কে আনন্দ দেয় এমন।
- Example: She was wearing a beautiful dress.
- এর noun form হচ্ছে - Beauty.

• Beauty: [noun]
- English meaning: The quality of being pleasing and attractive, especially to look at.
- Bangla meaning:  সৌন্দর্য, শ্রী, রূপ, লাবণ্য।
- Example: The piece of music he played had a haunting beauty.

• Other forms:
• Beautifully (adverb)
- English meaning: in a way that is very attractive
- Bangla meaning: সুন্দরভাবে,চমৎকারভাবে।
- Example: She carried her wedding dress so beautifully. 

• Beautify (verb)
- English meaning: to improve the appearance of someone or something:
- Bangla meaning: সুন্দর করা।
- Example: Money has been raised to beautify the area.

• Beautious - এই বানানের কোনো অর্থবোধক শব্দ নেই।

Source: 
1. Accessible Dictionary by Bangla Academy.
2. Oxford Learner's Dictionary.
3. Cambridge Dictionary.