sort by Rank | Alpha
| Possible Meanings | Rank |
| Christian Democratic Union | **** |
| Cristiani Democratici Uniti | **** |
| Classification Decimale Universelle | **** |
| Christelijk Democratische Unie | **** |
| Christliche Demokratische Union | **** |
| Cynllun Datblygu Unedol | **** |
| Control and Display Units | *** |
| Communicable Disease Unit | *** |
| Centro De Urologia | *** |
| Communicable Diseases Unit | *** |
| Catholic Distance University | *** |
| Cyfrifon Dysgu Unigol | *** |
| Curriculum Development Unit | *** |
| Compact Display Unit | *** |
| Critical Dimension Uniformity | *** |
| Clinical Development Units | *** |
| Croatian Democratic Union | *** |
| Cameroon Democratic Union | *** |
| Capacitor Discharge Unit | *** |
| Cebu Doctors University | *** |
| Consorzio Distributori Utensili | *** |
| Color Display Units | *** |
| Christian Democrat Union | *** |
| Consultant Debunking Unit | *** |
| Career Development Unit | *** |
| Command Definition Utility | *** |
| Community Disorders Unit | *** |
| Child Development Unit | *** |
| Community Development Unit | *** |
| control display units | *** |
| Communications Development Unit | *** |
| Clock Distribution Unit | *** |
| Central Dispatching Unit | *** |
| Colour Doppler Ultrasonography | *** |
| Color Duplex Ultrasonography | *** |
| Christlich Demokratisch Union | *** |
| Chemical Dependency Unit | *** |
| Central Depository Unit | *** |
| Character Display Unit | *** |
| Colour Duplex Ultrasound | *** |
| Christian Defense Update | *** |
| Crude Distillation Units | *** |
| Center Drive Unit | ** |
| Consolidated Divers Unit | ** |
| Christian Democrats Union | ** |
| carotid duplex ultrasound | ** |
| Central Development Unit | ** |
| Chemical Defense Uniform | ** |
| chronic duodenal ulcers | ** |
| color doppler ultrasonography | ** |
| color duplex ultrasound | ** |
| color-Doppler ultrasonography | ** |
| Color-duplex ultrasound | ** |
| colour Doppler ultrasound | ** |
| colour Duplex ultrasonography | ** |
| constant defecation urge | ** |
| control drive unit | ** |
| Cysteamine duodenal ulcer | ** |
| Cable Distribution Unit | ** |
| Course Development Unit | ** |
| clearance diving unit | ** |
| Color Doppler Ultrasound | ** |
| Coolant Distribution Unit | ** |
| Cabinet Distribution Units | ** |
| chronic illicit drug user | ** |
| color duplex ultrasound scan | ** |
| counselling and diagnostic units | ** |
| Control and Diagnostic Unit | ** |
| Credit Dispensing Units | ** |
| Cab Display Unit | ** |
| Cooperative Development Unit | ** |
| Caribbean Democratic Union | ** |
| cyfrif dysgu unigol | ** |
| Call Distribution Unit | ** |
| canine distemper virus | ** |
| Code Distribution Unit | ** |
| Computers Down Under | ** |
| Chaotisches Denken Unterlassen | ** |
| Configuration Data Unit | ** |
| Corporate Development Unit | ** |
| County Development Unit | ** |
| Contemporary Design Unit | ** |
| Capacitance Discharge Unit | ** |
| Clinical Decision Units | ** |
| Central Data Unit | ** |
| Club of Deputies | ** |
| Credit Dispensing Unit | ** |
| Command Display Unit | ** |
| Common Database Utility | ** |
| Central Detective Unit | ** |
| Chemical Dispense Unit | ** |
| Chevaliers De Uther | ** |
| Cameroun Democratic Union | ** |
| chronic drug users | * |
| compact demo unit | * |
| Civil Defence Units | * |
| Club Development Unit | * |
| Command and Display Unit | * |
| Complex Diagnostic Unit | * |
| Corporate Data Unit | * |
| Canadian Deuterium Uranium | * |
| Caregiver Development Unit | * |
| Chemical Dependency Units | * |
| Christelijke Democratische Unie | * |
| CLAN DEFECTORS UNITED | * |
| Coalition for a Democratic Union | * |
| Command Detector Units | * |
| Course Development Units | * |
| CDMA Digital Unit | * |
| Christliche Deutsche Union | * |
| Combiner and Distribution | * |
| Connectix Desktop Utilities | * |
| Context Dependent Unit | * |
| Christl Dem Union | * |
| Countdown Display Unit | * |
| Counter Drug Unit | * |
| Ciudad y Departamento de Usulutan | * |
| Classification DTcimale Universelle | * |
| COUNTER DRUG UPGRADES | * |
| CTline Dion Universite | * |