- 許す【ゆるす】 - to permit, to allow, to approve, to consent to, to forgive, to pardon, to excuse, to tolerate, to exempt (someone) from, to remit, to release, to let off, to acknowledge, to admit, to trust, to confide in, to let one's guard down, to give up (points in a game, distance in a race, etc.), to yield 
- 許可【きょか】 - permission, approval, authorization, license 
- 免許【めんきょ】 - license, licence, permission, permit, certificate 
- 許し【ゆるし】 - pardon, forgiveness, exemption, permission 
- 許し【ばかし】 - approximately, about, only, nothing but, just (finished, etc.) 
- 特許【とっきょ】 - patent, special permission, license, licence, concession, charter 
- 許容【きょよう】 - permission, allowance, acceptance, tolerance, pardon 
- 許諾【きょだく】 - consent, assent, approval, permission 
- 無免許【むめんきょ】 - unlicensed, without a license (licence) 
- 特許庁【とっきょちょう】 - Patent Office, Patent Agency 
- 特許権【とっきょけん】 - patent rights 
- 専売特許【せんばいとっきょ】 - patent, one's specialty (party piece, etc.)