Vocabulary consisting only from characters you are able to read
切線
sessen
tangent (in trigonometry)mix
夜食
jašoku
supper/night meal/late-night snack/"fourth meal"/midnight snackleda1
大小
daišou
(1)sizes (various), large and small, (2)daisho (matched pair of long and short swords), (3)large and small drums, (4)long months and short months mix