Modifiers matching travel:

• discretionary,
• routine,
• optional,
• ordinary,
• everyday,
• maritime,
• international,
• academic,

Simple categories matching routine:

• times,
• product,
• procedure,
• abuse,
• activity,
• elements,
• care,
• incident,
• experiment,
• case,
• document,
• task,
• payment,
• treatment,
• shape,
• programming,
• work,
• surgery,
• mission,
• function,
• business,
• communication,
• report,
• disease,
• information,
• ground,
• instrument,
• thing,
• data,
• speech,
• maintenance,
• publication,
• punishment,
• trip,
• training,
• conference,
• matter,
• occupation,
• call,
• operations,
• charge,
• stuff,
• quantity,
• display,
• material,
• papers,
• occurrence,
• change,
• problem,
• investigation,
• correspondence,
• drug,
• assignment,
• study,
• inquiry,
• housework,
• area,
• acknowledgement,
• repair,
• process,
• medication,
• analysis,
• bill,
• therapy,
• testing,
• source,
• illness,
• issue,
• contingency,
• calculation,
• support,
• condition,
• delivery,
• inspection,
• system,
• benefit,
• operation,
• journey,
• travel,
• instrumentation,
• cost,
• request,
• control,
• transaction,
• conversation,
• gathering,
• examination,
• prescription,
• medicine,
• beverage,
• commemoration,
• output,
• item,
• processing,
• situation,
• service,
• motion,
• nature,
• part,
• policy,
• test,
• figure,
• job,
• immunization,
• disbursement,
• measurement,
• infection,
• article,
• intervention,
• gear,
• expense,
• action,
• contract,
• hospitalization,
• affliction,
• equipment,
• application,
• effort,
• deeds,
• message,
• transactions,
• behavior,
• record,
• disturbance,
• duty,
• analgesic,
• tag,
• tuning,
• measure,
• commodity,
• injection,
• ways,
• time,
• use,
• waste,
• expenditure,
• works,
• notification,
• tissue,
• form,
• event,
• practice,