併あわせ用もちいるConjugationMeanings1ichidan verbuse jointly; use together; combineDescribes using two or more things in combination, often for a synergistic effect. Common in technical, business, or instructional contexts.このシステムでは、複ふく数すうの認にん証しょう方ほう式しきを併あわせ用もちいることができる。In this system, multiple authentication methods can be used together.