substituer betyder på engelska

substitute [substituted, substituting, substitutes]▼◼◼◼(to use in place of something else)
verb
[UK: ˈsʌb.stɪ.tjuːt] [US: ˈsʌb.stə.ˌtuːt]You cannot substitute money for health. = On ne peut pas substituer l'argent pour la santé.

step in▼◼◻◻(To act as a replacement or substitute.)
verb
[UK: step ɪn] [US: ˈstep ɪn]