cosignatory or co-signatory/kohʹsignət(ə)ri/ noun (pl -ies) (pl cosignatories)

• dormant
• dormer
• dormice
• dormie
• dormitory
• Dormobile
• dormouse
• dormy
• dorp
• dors-
• dorsal
• dorsal fin
• dorsi-
• dory
• DOS
• dosage
• dose
• do-se-do
• dosh
• do-si-do
• dosimeter
• do somebody a good turn
• do somebody a power of good
• do somebody credit/do credit to somebody
• do somebody dirt