| Word | Reading | Meaning |
| 開始 | かいし | start, commencement, beginning, initiation |
| 始まり | はじまり | origin, beginning |
| 終始 | しゅうし | beginning and end, from beginning to end, doing a thing from beginning to end; consistently, the whole time |
| 始める | はじめる | to start, to begin, to commence, to initiate, to originate; to open (e.g. a store), to start up, to establish (business. etc.); to start (doing something), to begin to ... |
| 始め | はじめ | beginning, start, origin |
| 年始 | ねんし | New Year's call, beginning of the year, New Year's greetings |
| 始末 | しまつ | management, dealing, settlement; cleaning up, getting rid of; end result (usu. bad) |
| 原始 | げんし | origin, primeval |
| 始発 | しはつ | first train |
| 手始め | てはじめ | outset |