The list below seems long, but when you can use all these words with confidence, your English vocabulary will be fully functional. Sexual orientations include gay, lesbian, straight, bisexual.
However, it's essential to learn the right English vocabulary words, so you don't waste your time trying to memorize a huge collection with very little benefit. Sexual orientation is about who youre attracted to and want to have relationships with. The remaining 10% you'll be able to learn from context, or ask questions about. With 2,500 to 3,000 words, you can understand 90% of everyday English conversations, English newspaper and magazine articles, and English used in the workplace.