muscle ②vein ③on (a river, road, etc.) ④counter for long thin things ⑤(Edo period) counter for hundreds of mon (obsolete unit of currency)

reason

one line ②earnest ③one bloodline ④ordinary

lineage

spine ②seam down the back (of clothing)

lineage

swordsmanship

synopsis

nape of the neck

staunch ②metal reinforcement

cramp ②unreasonableness ③illogical ④misdirected

path

that field ②the authorities (esp. the police)

(an individual's) way of playing mahjong

main thread (of a story)

salted salmon roe

course of a thrown ball ②course of a hit ball (golf, tennis, etc.)

outline

reason ②method

popular line (of products)

muscle

sit-up ②abdominal muscles

strength training

physical strength

muscular pain

meathead

muscle-brain

muscular ②lean (of a company's operations, etc.)

biceps brachii muscle

rebar ②reinforced concrete

pectoral (muscle)

pectoralis major muscle

rectus abdominis muscle

muscles and bones ②cartilage

deltoid (muscle)

mimetic muscles

muscular

latissimus dorsi muscle

muscle rupture

psoas major muscle