How to say "Adherence" in Japanese

When translating "adherence" into Japanese, you must choose carefully between 固執 and 拘泥. In Japanese, 固執 (こしつ (koshitsu)) is typically associated with "Adherence, persistence, stubbornness, sticking to (an idea/opinion)" (Syllabus Level: N2) and represents Often carries a negative connotation of being overly stubborn or unwilling to change one's mind, even when it might be better to do so. Can also be used positively for strong adherence to principles.. On the other hand, 拘泥 (こうでい (kōdei)) maps to "adherence to, insistence on, being particular about, sticking to (often with a negative nuance)" (Syllabus Level: N1) and represents Usually used in a negative or critical sense, implying being overly concerned with minor details, conventions, or past practices, thus lacking flexibility. 「形式に拘泥する」「瑣末なことに拘泥する」のように使われる。. A literal translation of "adherence" can often sound unnatural to native Japanese speakers if mixed up!