hobby friend; friend gained through common interests or personality
matchless; unequalled; unequaled
variety; kind; type; counter for kinds, species, etc.
class; heading; group; category
classification; categorization; sorting
① ヒトやネコなど、肺呼吸をする恒温で、そのほとんどは胎生である脊椎動物。分類階級は哺乳綱（ほにゅうこう）とされる。
marine products; seafood; fish and shellfish
several types; several kinds; several species
① 鋭い嘴と爪を持って他の動物を捕食する大型の鳥の総称。
new breed of humans (used to refer to the younger generation, who have different ideals and sensibilities)
① 本質的な特徴が共通するものをまとめた一つの型。② あるものと似た型。
same kind; accomplices; companions
① エビやカニなどが属する節足動物門甲殻亜門の動物の総称。
machinery; gadgetry; equipment
birds of a feather flock together
(edible) greens; leafy greens; vegetables
similar instance; similar case; parallel case; analogy
① キノコやカビなどを含む生物の分類群。生物学的には菌界に属する生物を指す。原核生物である細菌と区別するために、真菌（真菌類）とも呼ばれる。
① 軟体動物または貝殻をもつ生物の総称。生物学的にはいかやたこ、うみうし、なめくじのように貝殻をもたない生物も含まれることもある。
① 人間以外の種族。妖怪や、伝説中で擬人化された動物など、人間と同等の知性を持つもの。② 異民族。
pulse (edible seeds of various leguminous crops); plant yielding pulse
① 全体を種類により幾つかに分けること。② 集合を同値関係によって同値類に分けること。
root crops; root vegetables
① 単糖類と少糖類と多糖類の総称。狭義では遊離糖類、すなわち単糖類と二糖類を指す。
similar story; variant tale
① いかやたこなどが属する軟体動物門頭足綱の動物の総称。
quasi-synonym (word that has a similar meaning to another, but is not interchangeable)
affinity; family relationship
(edible) greens; leafy greens; vegetables
(edible) greens; leafy greens; vegetables
bryophyte (any of three groups of non-vascular land plants, incl. mosses, hornworts and liverworts)
remnants of a party or a gang
sympathetic magic; homeopathic magic; imitative magic
similar question; (classification by) similarity of theme
similar; of the same type
green algae; chlorophyceae
bony fishes; osteichthyans
beetles; coleopterans; coleoptera
① 節足動物門鋏角亜門クモ綱クモ目に属する蜘蛛形類の総称。
dictionaries (and similar books)
cyclostomes (eel-like jawless fishes with round mouths used for sucking)
assimilation; incorporation
oscines (birds of suborder Oscines); songbirds
Swords and Firearms Control Law (1958)
Chelicerata; chelicerates
cucurbits (Cucurbitaceae spp., esp. edible); gourds
birds of a feather flock together
application form; application papers; file wrapper (patents)
pinnipeds (seals and walruses)
carnivores (i.e. animals of the order Carnivora)
catching fire (from next door); a spreading fire
Saurischia (order of dinosaurs with lizard-like pelvic structures)
flagellates; mastigophorans
edentates (i.e. anteaters, sloths, armadillos)
urodeles (tailed amphibians)
agnathans (jawless fishes of superclass Agnatha)
Deuteromycota; fungi imperfecti; mitosporic fungi; anamorphic fungi
proboscideans; proboscidians
caecilian (any burrowing legless amphibian of the order Gymnophiona)
hornworts (non-vascular plants of order Anthocerotopsida)
comb jellies (jellyfish-like animals of the phylum Ctenophora)
apterygotes (wingless insects)
pterygotes (winged insects)
pelecypods (i.e. bivalves)
copepods (small crustaceans of subclass Copepoda)
assembling according to type; collection of items sorted by type
bryozoans (animals of phylum Bryozoa)
synapsids; theropsids; mammal-like reptiles
pteraspids (extinct armoured jawless fishes)
anurans (tailless amphibians)
sea spiders (Pycnogonida spp.)
tabulate corals (extinct corals of the order Tabulata)
① 節足動物門鋏角亜門クモ綱の動物の総称。別名、蛛形類。
fibroid; fibroid tumor; fibroid tumour
acanthocephalans; thorny-headed worms
Pteriomorphia (subclass of bivalve molluscs)
Sauropsida (branch of amniotes that includes reptiles, birds and non-avian dinosaurs)
Theriodontia; theriodonts
bony fishes; Osteichthyes
playing card tax; tax on playing cards, mahjong sets, domino sets, etc. (abolished in 1989)
crown jellyfish (Coronatae spp.); coronated jellyfish