The best replacement for phase shift is phase angle.

The best alternatives to phase shift are rated as following:
★★★★★  phase angle
★★★★  fofix
★★★  horizontal shift
★★★  frets on fire
★  time delay
★  time of flight

Your alternative for phase shift is not listed? Suggest!
Speaking about phase shift, one probably shouldn't forget about sine.

Other search terms related to phase shift and their ratings are:
★★★★★ sine
★★ low pass filters
★ cosine
You have in mind a companion for phase shift and it is not yet here? Propose!



Google Trends

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phase shift
phase angle
fofix