sounder

• IPA^(key): /ˈsaʊndə(ɹ)/
• Rhymes: -aʊndə(ɹ)

From Middle English *soundere, from Old English ġesundra, from Proto-Germanic *sundizô, equivalent to sound +‎ -er (comparative suffix).

sounder

1. comparative form of sound: more sound

From Middle English soundar, sownere, equivalent to sound +‎ -er.

sounder (plural sounders)

1. Something, or someone who makes a sound.
2. (nautical) A device for making soundings at sea.
3. (fishing) A fishfinder.
4. An instrument used in telegraphy in place of a register, the communications being read by sound.

• depth sounder
• echo sounder
• telegraph sounder

Old English sunor

sounder (plural sounders)

1. A group of wild boar.
2. A young boar.

• Oresund, enduros, resound, undoers, unsored