Simple categories matching bitter:

• flavour,
• green,
• compound,
• food,
• feed,
• ingredient,
• liquid,
• substance,
• stimulant,
• vegetable,
• alkaloid,
• herb,
• drug,
• leaf,
• constituent,
• flavor,
• veggie,
• stout,
• agent,
• drink,
• thing,
• material,
• citrus,
• beverage,
• beer,
• spice,
• lettuce,
• chicory,
• salad,

Members with property bitter:

• unsweetened_chocolate,
• radicchio,
• barberry,
• endive,
• rye,
• pumpkin,
• coffee,
• escarole,
• swedish_bitters,
• radish,
• chinese_wormwood,
• southernwood,
• chicory,
• potato,
• inert_compound,
• vinegar,
• oregano,
• quassia,
• caffeine,
• beet_kvass,
• quinine_hydrochloride,
• cabbage,
• alfalfa,
• quinine_sulfate,
• chard,
• broccoli,
• basil,
• stout,
• lemon,
• guinness,
• endive_lettuce,
• rhubarb,
• watercress,
• coriander,
• seed,
• rosemary,
• raw_broccoli,
• green,
• cucumber,
• mugwort,
• witloof,
• olive,
• grapefruit,
• swelling,
• certain_vegetable,
• motherwort,
• morphine,
• wild_chicory,
• curly_endive,
• neem,
• cardoon,
• metronidazole,
• cauliflower,
• belgian_endive,
• hyssop,
• pennyroyal,
• trappist_ale,
• catnip,
• onion,
• cardamom,
• blue,
• quinine,
• cress,
• prepared_horseradish,
• kale,
• burdock,
• fenugreek,
• wine,
• papaverine_hydrochloride,
• fennel,
• mixed_salad,
• beverage,
• chloroquine,
• worm,
• turmeric,
• mushroom,
• chamomile,
• cayenne,
• cinchona,
• mint,
• agrimony,
• carrot,
• parsley,
• angelica,
• spinach,
• bock,
• citrus,
• arctium-lappa_burdock,
• bitter_green,
• aloe,
• asparagus,
• onion_broccoli,
• horseradish,
• eggplant,
• romaine,
• sauerkraut,
• greater_celandine,
• wormwood,
• lettuce,
• ginger_oil,
• undigested_discord,
• alkaloid,
• leafy_green,
• vegetable_tonic,
• beer,
• celery,
• wild_spinach,
• chocolate,
• hop_beer,
• tannic_acid,
• cinnamon,
• anise,
• goldenseal,
• bitter_lettuce,
• brown_ale,
• orange,
• bitter_melon,
• tansy,
• herb,
• certain_sugar,
• sadness,
• ranitidine,
• porter,
• centaury,
• pea,
• tears,
• seawater,
• strychnine,
• belgium_endive,
• nicotine,
• radicchio_lettuce,
• bitters,
• artichoke,
• pang,
• skullcap,
• dandelion,
• thyme,
• rue,
• senna,
• green_radicchio,
• sage,
• beet,
• arugula,
• gentian,
• horehound,
• alcohol,
• green_vegetable,
• apricot,
• mate,
• tomato,
• garlic,
• green_kale,
• black_coffee,
• tea,