Linked from
The 8 pages that link to Fennel, each with the reason it gives.
CeleryCompared with: Its crisp base resembles celery in use but has a distinct anise-like flavor.
AniseCompared with: Fennel has a similar anethole-rich flavor but is a distinct species.
CarawayRelated: Fennel is a close culinary relative with a sweeter, anise-like aroma.
BouillabaisseRelated: Its aromatic flavor is a familiar part of the stew’s Provençal profile.
AsafoetidaCompared with: Fennel’s sweet aroma contrasts with asafoetida’s sulfurous pungency.