並行 (ヘイコウ) going side-by-side, going abreast, running concurrently, occurring at the same time, keeping pace with
Kunyomi Examples
合わせる (あわせる) to match (rhythm, speed, etc.), to join together, to unite, to combine, to add up, to face, to be opposite (someone), to compare, to check with, to cause to meet (e.g. an unpleasant fate), to place together, to connect, to overlap, to mix, to combine, to put blade to blade, to fight
並行 (ヘイコウ) going side-by-side, going abreast, running concurrently, occurring at the same time, keeping pace with
Kunyomi Examples
合わせる (あわせる) to match (rhythm, speed, etc.), to join together, to unite, to combine, to add up, to face, to be opposite (someone), to compare, to check with, to cause to meet (e.g. an unpleasant fate), to place together, to connect, to overlap, to mix, to combine, to put blade to blade, to fight