The best replacement for swath is swathe.

The best alternatives to swath are rated as following:
★★★★★  swathe
★★★  swatch
★★  catamaran
★  mirror mirror

Your alternative for swath is not listed? Suggest!
Speaking about swath, one probably shouldn't forget about sling.

Other search terms related to swath and their ratings are:
★★★★★ sling
You have in mind a companion for swath and it is not yet here? Propose!



Google Trends

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swath
swathe
swatch