1. The ordinal number of seventy in counting order
   - seventieth

See also: ordinal

• oafishness
• Oahu
• Oahu Island
• oak
• oak apple
• oak blight
• oak chestnut
• oak fern
• Oak Leaf Cluster
• oak tree
• oak-leaved goosefoot
• oaken
• Oakland
• oakleaf goosefoot
• Oakley
• oakum
• oaky
• OAP
• oar
• oared
• oarfish
• oarlock
• oarsman
• oarsmanship
• oarswoman