• Basic forms
• 得る（える） — to obtain; to gain / base form
• 得ます — obtain; gain / masu form
• 得た — obtained; gained / ta-form
• 得て — obtain and… / te-form
• 得ない — do not obtain / negative
• Common uses
• 知識を得る — gain knowledge
• 経験を得た — gained experience

得る（える） is an ichidan verb. It is the **most common reading**, used for concrete and abstract acquisition such as knowledge, skills, or benefits.

• Basic forms
• 得る（うる） — can obtain; be possible / base form
• Common uses
• あり得る — be possible

得る（うる） appears only in affirmative “possible” expressions (e.g. あり得る). Negative forms always use えない and never use うない.