Modifiers matching mammal:

• primitive,
• large,
• nonhuman,
• small,
• commercial,
• secretive,
• larger,
• smaller,
• true,
• real,
• smart,
• nonnative,
• exciting,
• marine,
• polar,
• prehistoric,
• wonderful,
• mental,
• undesirable,
• adult,
• typical,
• warm,
• toothed,
• piscivorous,
• rare,
• terrestrial,
• semiaquatic,
• arctic,
• asian,
• valuable,
• carnivorous,
• wild,
• hoofed,
• sedentary,
• bigger,
• seasonal,
• oceanic,
• developed,
• available,
• common,
• particular,
• advanced,
• pregnant,
• vagile,
• dry,
• captive,
• extant,
• pelagic,
• intermediate,
• strange,
• sized,
• tall,
• young,
• non-human,
• horned,
• diurnal,
• size,
• dangerous,
• destructive,
• sensitive,
• quadruped,
• trophic,
• injured,
• soft,
• new,
• feline,
• extinct,
• predatory,
• multicellular,
• intelligent,
• riparian,
• defenseless,
• unwanted,
• feral,
• lower,
• pesky,
• world,
• omnivorous,
• susceptible,
• european,
• insectivorous,
• abundant,
• higher,
• ruminant,
• charismatic,
• australian,
• visual,
• level,
• wet,
• nonruminant,
• raised,
• herbivorous,
• canadian,
• alternative,
• social,
• mean,
• biting,
• resident,
• varied,
• exotic,
• hairy,
• fossorial,
• verminous,
• rabid,
• fabulous,
• experimental,
• migratory,
• bodied,
• blooded,
• african,
• domestic,
• underwater,
• familiar,
• cute,
• tiny,
• little,
• huge,
• dead,
• ancient,
• predacious,
• important,
• individual,
• heavy,
• active,
• specialized,
• lucky,
• endemic,
• distant,
• modern,
• bipedal,
• indigenous,
• interesting,
• undomesticated,
• curious,
• expensive,
• recent,
• orphaned,
• resistant,
• breeding,
• model,
• upland,
• furry,
• amphibious,
• flying,
• macroscopic,
• male,
• ungulate,
• foreign,
• tropical,
• vicious,
• native,
• unusual,
• fast,
• moving,
• precocial,
• elusive,
• local,
• related,
• unique,
• newborn,
• nocturnal,
• sleek,
• major,
• diverse,
• invasive,
• hooved,
• british,
• domesticated,
• arboreal,
• complex,
• urban,
• additional,
• big,
• mobile,
• threatened,
• ordinary,
• cuddly,
• sentient,

Simple categories matching ancient:

• system,
• artifact,
• creature,
• therapy,
• man,
• heritage,
• hominid,
• philosophy,
• plant,
• weapon,
• belief,
• artwork,
• animal,
• organism,
• possession,
• game,
• material,
• item,
• writings,
• art,
• relative,
• language,
• wisdom,
• tissue,
• works,
• skill,
• beast,
• thing,
• curio,
• theme,
• human,
• treasure,
• vertebrate,
• grain,
• relic,
• shop,
• formation,
• structure,
• monument,
• profession,
• fish,
• superstition,
• tool,
• weaponry,
• intelligence,
• arts,
• antiquity,
• papyrus,
• coral,
• protist,
• building,
• american,
• writing,
• mammal,
• book,
• ruler,
• illness,
• type,
• stone,
• instrument,
• tree,
• society,
• science,
• image,
• thought,
• feature,
• object,
• forest,
• version,
• architecture,
• tradition,
• style,
• paganism,
• practice,
• literature,
• religion,
• microorganism,
• flora,
• institution,
• calligraphy,
• dna,
• document,
• surface,
• tongue,
• reptile,
• event,
• manuscript,
• activity,
• culture,
• street,
• craft,
• medium,
• knowledge,
• artefact,
• unit,
• teleost,
• dance,
• place,
• evidence,