• The plural word is - ক) Criteria.
• Criterion: [Singular]
- English meaning: a standard by which you judge, decide about, or deal with something.
- Bangla meaning: বিচারের মাপকাঠি; মানদণ্ড।
- Plural form: criteria, criterions.
• অন্যদিকে,
খ) Index: [Singular form]
- English meaning: an alphabetical list, such as one printed at the back of a book showing which page a subject, name, etc. is on.
- Bangla meaning: সূচক; দেশক; নির্দেশক।
- Plural form: Indices, Indexes.
গ) Analysis [Singular form]
- English Meaning: a detailed examination of anything complex in order to understand its nature or to determine its essential features: a thorough study.
- Bangla Meaning: মন্তব্য সহকারে (পুস্তক, কোনো চরিত্র বা পরিস্থিতির) বিশ্লেষণ:
- Plural form: Analyses.
ঘ) Crisis [Singular form]
- English Meaning: the turning point for better or worse in an acute disease or fever.
- Bangla Meaning: সংকটকাল; চূড়ান্ত পর্যায়; সন্ধিক্ষণ।
- Plural form: Crises.
Source:
1. Accessible Dictionary by Bangla Academy.
2. Merriam-Webster Dictionary.