Modifiers matching interval:

• hourly,
• descending,
• statistical,
• discrete,
• convenient,
• tonal,
• monthly,
• repetitive,
• regular,
• long,
• melodic,
• irregular,
• specified,
• small,
• temporal,
• common,
• short,
• equidistant,
• real,
• smaller,
• larger,
• longer,
• respiratory,
• basic,
• vertical,
• fixed,

Simple categories matching equidistant:

• region,
• interval,