一貫【いっかん】
consistency, coherence, integration, one kan (approx. 3.75 kg), one piece of sushi
突貫【とっかん】
charging (at the enemy) with a shout, rush, rushing (an activity), working at full speed, penetration, piercing
貫徹【かんてつ】
accomplishment, realization, attainment, fulfillment, achievement, penetration, pervasion
貫通【かんつう】
passing through (of a tunnel, bullet, etc.), going (right) through, penetrating, piercing, being well versed (in)
貫き通す【つらぬきとおす】
to go through, to pierce, to penetrate, to stick to (opinion, principles, etc.), to carry out, to persist with, to keep (e.g. faith), to maintain (e.g. independence)