Not every word list package has "words for /usr/share/dict" in the description.
$ grep-aptavail -wF Provides wordlist -s Package,Description | tbl-dctrl
+===================+=======================================================+
| Package | Description |
+-------------------+-------------------------------------------------------+
| wbulgarian | Bulgarian dictionary words for /usr/share/dict |
| wbrazilian | Brazilian Portuguese wordlist |
| wdanish | The Comprehensive Danish Dictionary (DSDO) - wordlist |
| wdutch | list of Dutch words |
| wesperanto | Esperanto dictionary words for /usr/share/dict |
| wogerman | Traditional German wordlist |
| wngerman | New German orthography wordlist |
| wswiss | Swiss (German) orthography wordlist |
| wpolish | Polish dictionary words for /usr/share/dict |
| wfaroese | Faroese dictionary / wordlist |
| wgalician-minimos | Wordlist for Galician (minimos) |
| wukrainian | Ukrainian dictionary words for /usr/share/dict |
| wportuguese | European Portuguese wordlist |
| wgerman-medical | German medical dictionary words for /usr/share/dict |
| miscfiles | Dictionaries and other interesting files |
| wnorwegian | Norwegian word list |
| wamerican | American English dictionary words for /usr/share/dict |
| wamerican-huge | American English dictionary words for /usr/share/dict |
| wamerican-insane | American English dictionary words for /usr/share/dict |
| wamerican-large | American English dictionary words for /usr/share/dict |
| wamerican-small | American English dictionary words for /usr/share/dict |
| wbritish | British English dictionary words for /usr/share/dict |
| wbritish-huge | British English dictionary words for /usr/share/dict |
| wbritish-insane | British English dictionary words for /usr/share/dict |
| wbritish-large | British English dictionary words for /usr/share/dict |
| wbritish-small | British English dictionary words for /usr/share/dict |
| wcanadian | Canadian English dictionary words for /usr/share/dict |
| wcanadian-huge | Canadian English dictionary words for /usr/share/dict |
| wcanadian-insane | Canadian English dictionary words for /usr/share/dict |
| wcanadian-large | Canadian English dictionary words for /usr/share/dict |
| wcanadian-small | Canadian English dictionary words for /usr/share/dict |
| wcatalan | Catalan dictionary words for /usr/share/dict |
| wswedish | Swedish dictionary words for /usr/share/dict |
| wfrench | French dictionary words for /usr/share/dict |
| witalian | Italian dictionary words for /usr/share/dict/ |
| wspanish | Spanish dictionary words for /usr/share/dict |
+===================+=======================================================+