1. At a previous time
   - once, at one time, erstwhile [archaic], erst [archaic], sometime [archaic]

Sounds like: formally

• Irish stew
• Irish strawberry
• Irish terrier
• Irish water spaniel
• Irish whiskey
• Irish whisky
• Irish wolfhound
• Irishman
• Irishwoman
• iritic
• iritis
• irk
• irksome
• irksomely
• iron
• iron age
• iron blue
• iron boot
• iron cage
• iron carbide
• Iron Chancellor
• iron collar
• iron curtain
• iron deficiency anaemia
• iron deficiency anemia