| indefinibel | undefinable |
| indeklinabel | indeclinable undeclinable |
| intelligibel | intelligible |
| ineffabel | ineffable |
| Windlinie | rhumb line |
| Bindemittel | binder binding agent |
| Inderin | Indian |
| Kinderspiel | piece of cake be a breeze be a doddle |
| indexieren | index |
| undefinierbar | indefinite |
| Definiens | definiens |
| definieren | define |
| definiert | defined |
| definitiv | definitive definite positively |
| Infinitiv | infinitive |
| Infinität | uncertainty |
| penibel | meticulous fussy pernickety |
| Deibel | deuce |
| deduzibel | deducible |
| inflexibel | inflexible |