| Blockflöte | recorder |
| Blockkette | blockchain |
| Blockhütte | log cabin |
| Blackfoot | Blackfoot |
| blockfrei | nonaligned |
| Blockade | blockade eye-catcher |
| Blockbuster | blockbuster |
| Blocksatz | justified |
| Blockbau | log cabin |
| Blockdruck | woodblock printing |
| Block | block notepad writing pad book scribbling block bloc stocks |
| Blockchain | blockchain |
| Blockhaus | blockhouse log cabin log home log house |
| blockieren | interlock obstruct block barricade |
| Locale | locale |
| Lockmittel | bait |
| Flocke | flake |
| Glocke | bell |
| Lochkarte | index card |
| Lockdown | lockdown |