a tenon, as in a mortise and tenon carpentry join / (slang) a penis

the nock on either end of a bow where the bowstring rests / a bent nail or other kind of spike attached to or driven through an iron staff or a truncheon to make the weapon more dangerous

to put something out in a sale

sale (selling at cheaper prices than normal)

easy to ～ / ～able

安田: a surname / 保田: a surname

馬陸: a millipede

spear

靖: a female given name

(colloquial) ます