Appendix:Variations of "-"

High

 * ¯, ̄ , ￣
 * ‾, ̅

Middle

 * -, ﹣ , －
 * --
 * ‐, ‑ , &shy; (generally invisible)
 * ‒
 * –
 * —, ﹘
 * ―
 * −, ➖ , ⁻
 * ⎯
 * ˗
 * ̵, ̶ (uses of strikethrough)
 * ̵, ̶ (uses of strikethrough)

Other scripts

 * 一
 * ー
 * ㄧ (not always similar)

Low

 * , ̲ (uses of underlining)
 * ̱
 * ̠
 * ̲

Similar

 * 𝌀

Reduplication

 * --
 * ---
 * 
 * -

Other scripts

 * ㆪ
 * 亠
 * 宀
 * 冖
 * ـ