Modifiers matching interval:

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

Simple categories matching hourly:

• interval,