| PITBULL | Dog originally developed for fighting (3,4) |
| BULLDOG | A dog originally developed in England for bull-baiting (7) |
| GOLDEN | - retriever; breed of gun dog originally developed by the first Lord Tweedmouth (6) |
| CATECHISM | Schematic originally developed for set of questions |
| CROC | Foam resin shoe originally developed for boating |
| SOS | Morse code distress signal originally developed for mariners in danger at sea (1,1,1) |
| TERRIER | Small active dog originally used for hunting (7) |
| BERNARD | St -; large breed of dog originally used for Alpine rescues (7) |
| SHIHTZU | Small, long-haired dog originally bred in China (4,3) |
| OMITTED | Time to put out dog, originally neglected (7) |
| SAMOYED | Dog originally from Russia |
| WHIPPET | Variety of dog originally bred to chase rabbits |
| BRIARDS | Large herding dogs originally from France |
| DOBERMAN | Canine breed originally developed as a guard dog |
| ETAG | What is the system originally developed by Transurban in the 1990s for use on the Melbourne CityLink |
| SAMBA | A free software re-implementation of the SMB/CIFS networking protocol, originally developed by Andrew Tridgell for Linux. (5) |
| SPEAK | Word linking with "leet" for a jargon originally developed by hackers (5) |
| MUESLI | Breakfast food, originally developed by a Swiss doctor for his patients (6) |
| BEAGLE | Breed of hound originally developed to hunt hares; ship that took Charles Darwin on his famous voyage; or, an old word for a spy (6) |
| MICA | Formica was originally developed as a substitute for what electrical insulation? (4) |
