| Y amplifier | Vertikalverstärker |
| Y as in Yoke | Y wie Ypsilon |
| Y axis | Ordinate |
| Y boson | X-Boson |
| Y chromosome | Y-Chromosom |
| Y circuit | Sternschaltung |
| Y connection | Sternschaltung |
| Y engine | Y-Motor |
| Y for Yellow | Y wie Ypsilon |
| Y gain | Vertikalverstärkung |
| Y joint | Y-Stecker |
| Y matrix | Leitwertmatrix |
| Y network | Sternschaltung |
| y parameter | Leitwertparameter |
| Y read-write wire | Spaltendraht |
| Y section | Sternschaltung |
| y'all | Ihr |
| y'know | weißte |
| Y-alloy | Y-Legierung |
| Y-amplifier | Y-Verstärker |
| y-axis | Y-Achse |
| Y-branch | Hosenstutzen |
| Y-branches | Hosenstutzen |
| Y-chromosomal Adam | Adam des Y-Chromosoms |
| Y-chromosome | Y-Chromosom |
| Y-connector | Abzweigstecker |
| Y-connectors | Abzweigstecker |
| Y-coordinate | Ordinatenwert |
| y-coordinates | Ordinatenwerte |
| Y-Delta transformation | Stern-Dreieck-Umwandlung |
| Y-engine | Y-Motor |
| y-front | Y-Eingriff |
| y-front briefs | Unterhose mit Y-Eingriff |
| y-fronts | Unterhose mit Eingriff |
| Y-maze | Y-Labyrinth |
| y-plate | Vertikalablenkplatte |
| y-ray astronomy | Gammaastronomie |
| y-rays | Gammastrahlen |
| Y-roller table | Hosenrollgang |
| Y-section | Hosenstück |
| Y-sections | Hosenstücke |
| Y-shaped branching circulator | Y-Verzweigungszirkulator |
| Y-type engine | Y-Motor |
| Y-type valve | Schrägsitzventil |
| Y-type valves | Schrägsitzventile |
| Y-valve | Schrägsitzventil |
| Y-Δ transform | Stern-Dreieck-Transformation |
| Y2K | Jahr 2000 |
| Y2K : year two thousand | das Jahr zweitausend |
| Y2K bug | Jahr-2000-Fehler |
| Y2K compatibility | Jahr-2000-Tauglichkeit |
| Y2K-compliant | Jahr-2000-fähig |
| ya | ja |
| ya'll | ihr alle |
| YAA : yet another acronym | wieder eine neue Abkürzung |
| Yaacov Agam | Yaacov Agam |
| Yaakov Dori | Jaakow Dori |
| yaba | Aküfi |
| Yabasic | YaBasic |
| Yabe | Yabe |
| Yabloko | Jabloko |
| Yablonitsky Pass | Jablunyzkyj-Pass |
| Yablonoi Mountains | Jablonowygebirge |
| Yablonovy Mountains | Jablonowygebirge |
| Yacare Caiman | Brillenkaiman |
| Yacc | Yacc |
| Yachad | Yachad |
| yacht | Jacht |
| yacht club | Yachtklub |
| yacht harbor | Jachthafen |
| yacht harbour | Jachthafen |
| yachtig | Segelklub |
| yachting | Segeln |
| yachting ... | Jacht... |
| yachting broker | Bootshändler |
| yachting brokers | Bootshändler |
| yachting cap | Seglermütze |
| yachting caps | Seglermützen |
| yachting club | Segelclub |
| yachting shoe | Segelschuh |
| yachting waters | Segelrevier |
| yachts | Yachten |
| yachtsman | Sportsegler |
| yachtsmen | Segler |
| yachtswoman | Sportseglerin |
| yachtswomen | Seglerinnen |
| yack | plappern |
| yacked | geklafft |
| yackety-yack | plappern |
| yackety-yak | Blabla |
| yacking | klaffend |
| Yacon sirup | Yakon-Sirup |
| Yacon syrup | Yakon-Sirup |
| Yacuíba | Yacuíba |
| Yacyretá Dam | Yacyretá |
| Yacón | Yacón |
| Yad | Jad |
| Yad Mordechai | Jad Mordechai |
| Yad Vashem | Yad Vashem |
| yadda yadda yadda | bla bla bla |
| Yadrin | Jadrin |
| Yael | Jaël |
| Yael Dayan | Jael Dajan |
| Yaesu | Vertex Standard |
| Yaeyama Islands | Yaeyama-Inseln |
| YAFA | Aküfi |
| Yaffil | Grünspecht |
| yaffle | Grünspecht |
| Yafran | Yafran |
| YAG laser | YAG-Laser |
| yager | Jäger |
| Yaghan | Yámana |
| Yaghnobi language | Jaghnobi |
| yagi | Yagi-Antenne |
| Yagi aerial | Yagi-Antenne |
| Yagi antenna | Yagi-Antenne |
| yagi antennas | Yagi-Antennen |
| Yagi-Uda aerial | Yagi-Uda-Antenne |
| Yagi-Uda antenna | Yagi-Uda-Antenne |
| Yagyū Shinkage-ryū | Yagyū Shinkage-ryū |
| yah! | pfui! |
| yahoo | Rohling |
| Yahoo! | Juchhu! |
| yahoos | Randalierer |
| yahrzeit lamp | Jahrzeit-Lampe |
| Yahtzee | Kniffel |
| Yahuar Huacac | Yáhuar Huácac |
| Yahveh | Jahwe |
| Yahweh | Jahwe |
| Yahwist | Jahwist |
| Yahya Jammeh | Yahya Jammeh |
| Yahya Muhammad Hamid ed-Din | Yahya Muhammad Hamid ed-Din |
| Yaiba | Yaiba |
| Yaibei | Yaibei |
| Yajurveda | Yajurveda |
| yak | schwatzen |
| yak butter | Jakbutter |
| yak leather | Jak-Leder |
| yak's milk | Yakmilch |
