Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Middle English selden
← Old English seldan (inherited)
← Old English selden (inherited)
← Middle English seldyn (alter)
← Middle English seelden (alter)
← Middle English seldom (alter)
← Middle English sielden (alter)
← Middle English seeldyn (alter)
← Middle English seilden (alter)
← Middle English sieldome (alter)
← Middle English syldyn (alter)
← Middle English sylden (alter)
← Middle English celdane (alter)
← Middle English seldun (alter)
← Middle English seldum (alter)
← Middle English seldome (alter)
← Middle English seldyn (alter)
← Middle English seelden (alter)
← Middle English seldom (alter)
← Middle English sielden (alter)
← Middle English seeldyn (alter)
← Middle English seldone (alter)
← Middle English seldomly (link)
← Proto-Germanic *seldanē (inherited)
← Proto-Germanic *seldanaz (inherited)
← Scots seendil (link)
← Scots seendle (link)

→ English often (cognate)
→ English seldom (mention)
→ Middle English selde (link)