Modifiers matching officer:

• judicial,
• governmental,
• civil,
• senior,
• administrative,
• corporate,
• noncommissioned,
• legal,
• noncombatant,
• special,
• junior,
• minor,
• military,
• departmental,
• qualified,
• level,
• federal,
• local,
• elective,
• key,

Simple categories matching elective:

• operation,
• surgery,
• procedure,
• laboratory,
• unit,
• practice,
• official,
• service,
• study,
• officer,
• class,