#khomus :: it has many names and forms! For over 1,100 names, see www.antropodium.nl/Duizend%20Namen%20Mhp%20NOMENCLATUUR.htm
Europe
Netherlands: mondharp, mondharpje, mondtrom, mondtrommel, muyltromp, mondtromp, mondtrompje, moeltromp, moeltrompje, muiltromp, muiltrompje, troemp; Jeudy tromp and Joodse harp [last two are litteral translations of the word Jew’s harp], trompen [= to play on the Jew’s harp] jeugdtromp [= youngster-Jew’s harp], snorreding[etje] [= roaring thing], bromijzer [= droning iron; translation from the German word Brummeisen], Oink-beest [= a beast that just says ‘oink’, a metaphor from a Dutch fairy-tale by Nieman/Zuiderveld, 1972], Gedachtenverdrijver [= thoughts dispeller, metaphor used by Phons Bakx. 1992; is a translation into the Dutch by the archæologist Jaap Ypey (1917-1986) from the Italian word scacciapensieri, p. 215/1976 ]; Zorgenverjager [= dispeller of worries / also by Jaap Ypey, p. 215/1976]; speelke, speeltje [both from Zeeuws-Vlaanderen, the area of birth and childhood of the author of this nomenclature];
Friesland: mûlharpe
Belgium, Walloneye/Wallonie (= Wallony): gawe, giww-gaww, gaww, gaw; [to play the Jew’s harp: gaw’ter, gawî, gawyî, gawté ; a Jew’s harper: gawteû], epinette, tromba d’amore [historical/ironical names, Vanderheijden/Lemahieu], harpe juive [litteral translation of Jew’s harp], trompe-des-petit-enfants;
Belgium, Vlaanderen (Flanders): [general use] mondtrom; [from the past centuries:] teuter, tromp[e], speeltrompje, boerentromp [= farmers-Jew’s harp]; Brabant: troemp, troempe, trompken
France: rébute [15th century], reberbe [16th century] guimbare [obsolete]; bombarde, petite Lyre, trompe d’Allemagne [last three in a publication from Nancy, 1779]; guimbarde, trompe, trompe-laquais or trompe de laquais [obsolete], joue, Jeu trompe [= play-trompet], crancran, trompe de Béarn, gronde [obsolete],rebube, rabube, épinette [obsolete; 1780, Laborde], trompe Juive [litteral translation of the English Jew’s harp] … … and many many more … … …
see www.antropodium.nl/Duizend%20Namen%20Mhp%20NOMENCLATUUR.htm
thanks to Хомусчут Андрей!