Modifiers matching interval:

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

Simple categories matching hourly:

• interval,