English opening

→ English gap (link)

→ English OP (derived)

→ English preopening (prefix)

→ English English Opening (mention)

→ English eye-opening (affix)

→ English counteropening (prefix)

→ English re-re-opening (affix)

→ English self-opening (affix)

→ Japanese OP (derived)

→ Japanese オープニング (borrowed)

→ Pennsylvania German Uffning (cognate)

→ Pennsylvania German Effning (cognate)

→ Chinese OP (derived)