• Basic forms
• 遺す — leave behind; bequeath / base form
• 遺します — leave behind / masu form
• 遺した — left behind / ta form
• 遺して — leaving behind … / te form
• 遺さない — do not leave behind / negative
• 遺せば — if (someone) leaves behind / conditional
• Common expressions
• 言葉を遺す — leave words behind
• 財産を遺す — leave an inheritance

遺す（のこす） is a godan transitive verb. It implies intentionally leaving something with meaning — such as words, records, traditions, or property — rather than simply leaving something behind as 残す does.

• Basic forms
• 遺る — remain; be left / base form
• 遺ります — remain / masu form
• 遺った — remained / ta form
• 遺って — remaining … / te form
• 遺らない — do not remain / negative
• 遺れば — if (something) remains / conditional
• Common expressions
• 記憶に遺る — remain in memory
• 心に遺る — stay in one’s heart

遺る（のこる） is a godan intransitive verb. It describes something that remains with emotional or lasting significance, rather than merely remaining in the sense of 残る.