相あい並ならぶ

godan verb (-bu)

line up with; stand alongside; be on a par with

Used when people or things are arranged in a line together, or figuratively when they are comparable in rank or quality. Often implies a sense of equality or companionship.

• 選せん手しゅたちが横よこに相あい並ならんでスタートを待まった。

  The athletes lined up side by side and waited for the start.

• 彼かれの実じつ力りょくはプロに相あい並ならぶものがある。

  His ability is on a par with that of a professional.