Modifiers matching travel:

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

Simple categories matching routine:

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