the tenth day of the month / ten days

alliance

vow / swear / pledge

near, close to (in space) / near (in time), at hand / close, closely related / near, not far off (in amount) / similar in appearance, form, color, shape, etc. / close, on good terms with

(grammar) prepositional case

an easterly, wind blowing from the east

八ヶ月: 8 months

(rail transport) rapid transit, metro; (AmE) subway; (BrE) underground; (BrE) tube (abbr. 地下鉄)

underpass

Alternative spelling of 近つ淡海 (Chika-tsu-ōmi): an old name for 琵琶湖 (Biwako, “Lake Biwa”)