Simple categories matching tubular:

• fabric,
• structure,
• metal,
• flower,
• pasta,
• surface,
• space,
• material,
• assembly,
• part,
• shaft,
• organ,
• garment,
• portion,
• article,
• vessel,
• item,
• channel,
• conduit,
• form,
• container,
• component,
• passage,
• shape,
• viscus,
• duct,
• thing,
• knit,
• stent,
• macaroni,
• bone,
• cavity,
• object,
• tissue,
• body,
• area,
• installation,
• adapter,
• construction,
• member,
• option,
• organs,
• element,
• furniture,
• mast,

Members with property tubular:

• underpants,
• bowel_loop,
• rigatoni,
• walker,
• penne,
• ziti,
• pipe,
• bicycle-seat_post,
• macaroni,
• stomach,
• axle_box,
• down_tube,
• roller,
• vein,
• artery,
• dna,
• appendix,
• vocal_tract,
• rifle,
• pole,
• capillary,
• windpipe,
• kidney_tubule,
• fibrin,
• tunnel_liner,
• sock,
• pin,
• commode,
• intestine,
• conveyor,
• tubular_aluminium,
• glove,
• esophagus,
• mouth,
• frame,
• silo,
• oil_stove,
• table,
• touring_bag,
• tibia,
• digestive_tract,
• stinger,
• lamp,
• stainless-steel_tube,
• coupling_piece,
• wire,
• condom,
• handrail,
• fibula,
• water-supply_tube,
• hull,
• seat_post,
• single_jersey,
• chimney_pot,
• vascular_artery,
• cable,
• cartridge,
• neckline,
• elbow_macaroni,
• bike_frame,
• verbena,
• jacket_sleeve,
• aircraft-engine_mount,
• seal,
• second,
• mitten,
• pipe_girder,
• gas_pipe,
• dendrite,
• prismatic_shape,
• femur,
• vas,
• radium_seed,
• mast,
• rack,
• tent_pole,
• singlet,
• jean,
• buckeye,
• nose,
• lung_airway,
• wind-turbine_blade,
• sleeve,
• beret,
• golf-club_shaft,
• pneumatic_tire,
• titanium,
• pneumatic_tyre,
• shaft,
• square_tube,
• legs,
• fuselage,
• lantern,
• gut,
• sweater,
• cervix,
• jamb_post,
• cisterna,
• vessel,
• endotracheal-tube_adapter,
• suspension_diaphragm,
• oil,
• body,
• pasty_cosmetic,
• aircraft_frame,
• button,
• fuselage_section,
• bronchus,
• cap,
• manicotti,
• honeysuckle,
• engine,
• fitting,
• mucin,
• aluminium,
• heart_arch,
• endothelial_tube,
• pneumatic_hose,
• stem,
• space_frame,
• table_leg,
• electrical_cable,
• magnesium_alloy,
• plastic_pipe,
• chair_frame,
• post,
• cannelloni,
• mexican_petunia,
• sinus,
• chimney,
• tunnel,
• chair,
• arm,
• column,
• flue,
• oil_pipe,
• neural_tube,
• rod,
• aluminum,
• ejector_sleeve,
• ileum,
• hat,
• bile-duct_system,
• bowel,
• cape_honeysuckle,
• pipe_column,
• flower_pot,
• biliary_duct,
• glass_pipe,
• ureter,
• lighting_pole,
• pantie,
• panty_hose,
• rubber_hose,
• electrical_cord,
• pancreatic_duct,
• cardboard,
• hosiery_item,
• piston,
• urogenital_system,
• spur,
• aorta,
• hyacinth_floret,
• stockinette,
• sweater_knit,
• colon,
• stimulation_electrode,
• fork_tube,
• gallbladder,
• duct,
• urethra,
• rib,
• flare_tower,
• oesophagus,
• chassis,
• tubular_steel,
• sewer_pipe,
• long_bones,
• luggage,
• right_femur,
• plant_stem,
• petunia,
• golf-club_cover,
• bottomless_pit,
• cylindrical_tube,
• coupling,
• valerian,
• axle,
• hose,
• sock_note,
• golf_shaft,
• phial,
• humerus,
• bones,
• pulmonary_airway,
• roller-bearing_race,
• breast_duct,
• conduit,
• framework,
• alimentary_tract,
• handlebar,
• silica,
• hindgut,
• thin_spaghetti,
• steel,
• wheelchair,
• catheter,
• uterine_tube,
• tube,
• sheath,
• salivary_duct,
• urinary_tubule,
• vascular_system,
• mesenchyme,
• display_rack,
• aerial_mast,
• helicopter_blade,
• stocking,
• iron_pipe,
• manipulator_arm,
• magnesium,
• purse,
• top_tube,
• thoracic_port,
• native_honeysuckle,
• hand_railing,
• bladder_neck,
• guardrail,
• ladder,
• cylindrical_shape,
• plastic_straw,
• roof_handrail,
• pressure_vessel,
• gastrointestinal_tract,
• chest_tube,
• animal_quill,
• leg_warmer,
• liver,
• retail-store_fixture,
• cystic_duct,
• inspection_duct,
• duodenum,
• radiant_burner,
• cuff,
• proximal_tubule,
• duct_system,
• gasket,
• tuberose,
• infundibulum,
• trolley,
• mostaccioli,
• large_circle,
• shunt_catheter,
• notochord,
• railing,
• airway,
• tubular_frame,
• dowel,
• scarf,
• subcutaneous_artery,
• small_intestine,
• sailboat_mast,
• columbine,
• trachea,
• seat_tube,
• lung_bronchus,
• connecting_piece,
• flag_pole,
• heart,
• radius,
• oat_box,