舟艇

1. Origins, structure, and basic meaning

• Structure: 舟艇, read しゅうてい, pairs boat 舟 with small craft 艇 to group smaller vessels.
• Basic usage: It collectively denotes boats and especially smaller craft, as in 小型の舟艇.

2. Common pitfalls and similar expressions

• Tone and register
  • It is more formal than everyday 船 and suits administrative, military, or rescue contexts that group kinds of craft.