19
creek(noun, sound, drain, arm, channel)
13
inlet(noun, sound, opening, drain, box)
9
arm(noun, sound, water, channel, mouth)
9
mouth(noun, opening, entrance, haven, outlet)
7
bay(noun, inlet, gulf lake, shoreline)
7
brook(noun, sound, channel, inlet)
7
firth(noun, sound, opening, box, channel)
6
rivulet(noun, sound, channel, inlet)
5
cove(noun, inlet, niche, gulf lake)
5
bayou(noun, gulf lake)
5
gulf(noun, gulf lake)
5
spout(noun, water, course, stream, passageway)
5
tributary(noun, sound, channel, inlet)
5
water(noun, course, wet, surface, stream)
4
bight(noun, gulf lake)
4
sound(noun, arm, channel, bay, mouth)
3
fiord(noun, gulf lake)
3
fjord(noun, sound, channel, mouth, outlet)
3
strait(noun, sound, channel, haven, mouth)
3
armlet(noun, gulf lake)
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APASmart Define. (2015). estuary thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/estuary/thesaurus/synonyms
ChicagoSmart Define. 2015. "estuary thesaurus" https://smartdefine.org/estuary/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, estuary thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/estuary/thesaurus/synonyms>.
MLASmart Define. "estuary thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/estuary/thesaurus/synonyms>