こんにちは, 今日は, こんにちわ
Interjection, Usually in kana, は is pronounced as わ
hello, good day, good afternoon
こんにちは、ぼくの名前は斎藤健です。
大学, 大學, だいがく
1. university, college
See 大学寮, historical term, Abbreviation
2. former imperial university of Japan (established under the ritsuryō system for the training of government administrators)
See 四書
3. the Great Learning (one of the Four Books)
合格者の過半数は大学出身者であった。