Simple categories matching irreversible:

• deformation,
• cause,
• event,
• disability,
• process,
• phenomenon,
• condition,
• behavior,
• injury,
• illness,
• complication,
• abnormality,
• thing,
• evolution,
• change,
• disease,
• incident,
• procedure,
• fate,
• trait,
• modification,
• state,
• characteristic,
• action,
• means,
• reaction,
• damage,
• disposal,
• dementia,

Members with property irreversible:

• pleuropneumonia,
• growth,
• photosynthesis,
• oxidation,
• gene_deletion,
• selling,
• diffusion,
• turbulence,
• vestibular_damage,
• infertility,
• head_trauma,
• death,
• birth,
• abscission,
• breast_growth,
• emphysema,
• friction,
• soil_leaching,
• dehydration,
• frictional_dissipation,
• burning,
• ohmic_conduction,
• ischemia,
• reduction,
• crown_lengthening,
• cell_growth,
• heat_generation,
• blindness,
• tooth_extraction,
• quadriplegia,
• direct_passage,
• reduction_reaction,
• combustion,
• evolution,
• fire,
• vascular_disturbance,
• thermal_shrinkage,
• vesicle_formation,
• nerve-compression_syndrome,
• vascular_dementia,
• deafness,
• nuclear_condensation,
• stroke,
• adhesion,
• lipid_hydrolysis,
• saponification,
• disfigurement,
• accident,
• disappearance,
• rheumatoid_arthritis,
• atomic_decay,
• cracking,
• decay,
• astigmatism,
• compression,
• farsightedness,
• asthma,
• transport_process,
• abuse,
• bone_death,
• friction_losses,
• grain_growth,
• adduct,
• deformation,
• universal_construction,
• globalization,
• dimensional_shrinkage,
• peripheral_neuropathy,
• ion_damage,
• bridge,
• multiplication,
• sudden_death,
• conductance,
• sliding_friction,
• nerve_disease,
• sterilization,
• reversible_reaction,
• conduction,
• hysterectomy,
• shock_compression,
• nuclear_war,
• drag,
• gravitation,
• densification,
• crack_growth,
• cancer,
• terminal_illness,
• disease,
• liver_cirrhosis,
• infarction,
• glaucoma,
• tardive_dyskinesia,
• bone_loss,
• heat_conduction,
• proteolysis,
• silicosis,
• bronchial_dilatation,
• soil,
• reversal,
• loss,
• spinal-cord_damage,
• endodontic_therapy,
• kaon_decay,
• heat,
• established_paralysis,
• heat_transfer,
• li_corrosion,
• photoconductivity,
• species_extinction,
• polymerization,
• biodiversity_losses,
• chemical_decomposition,
• shrinkage,
• neuronal_death,
• cold_crystallisation,
• degeneration,
• reaction,
• color_development,
• surgical_operations,
• severe_dementia,
• deactivation,
• arthritis,
• pyknosis,
• hair_loss,
• pid,
• ink_alteration,
• collapse,
• worm,
• ice_melting,
• dna_repair,
• irreversible_coma,
• major_stroke,
• acquisition,
• uvulopalatopharyngoplasty_uppp,
• murder,
• dissipation,
• h2o_electrolysis,
• excavation,
• thermal_force,
• universal_computation,
• oral_surgery,
• prefrontal_lobotomy,
• color_conversion,
• fertilization,
• deforestation,
• vein_occlusion,
• dna_degradation,
• brain_injury,
• thermal_conduction,
• alteration,
• register_clearing,
• link_melting,
• radioactive_disintegration,
• marriage,
• long_cancer,
• payment,
• aggregation,
• cell_lysis,
• parkinson_disease,
• baldness,
• diabetes,
• surface_diffusion,
• surface_oxidation,
• goiter,
• fire_arms,
• nearsightedness,
• desertification_change,
• deeper_voice,
• prolonged_ischemia,
• testicular_infarction,
• intellectual_handicap,
• chromatin_fragmentation,
• chemical_adsorption,
• heat_conduct,
• formation,
• atrophy,
• conversion,
• conjunction,
• permanent_deformation,
• gait_disorder,
• viscous_flow,
• cirrhosis,
• cretinism,
• cracking_emulsion,
• color_change,
• wilderness_land,
• equipment_procurement,
• axonal_loss,
• electron_transfer,
• melting,
• surgery,
• permanent_abduction,
• alzheimers_disease,
• cataract,
• chromatin_condensation,
• losses,
• actual_origin,
• contracture,
• cardiovascular_disease,
• ischemic_damage,
• lung_damage,
• spinal-cord_injury,
• intrinsic_diffusion,
• tubular_atrophy,
• partial_differentiation,
• particle_decay,
• flux,
• molecular_diffusion,
• damage_accumulation,
• dementia,
• distortion,
• pollution,
• differentiation,
• transport,
• plastic_deformation,
• hydrolysis,
• ms,
• development,
• implication,
• soil_compaction,
• sterilisation,
• survey,
• complete_removal,
• reorganization,