Diplomas vs. TLS certs.
Which meaning of Certificate is the original, and which one is the duplicate riding on its name? Certificate (document) came first (the 1400s). Public key certificate arrived in 1988. The data below shows which one owns the word now.
Wikipedia pageviews since 2015
Certificate (document)Public key certificate
English Wikipedia pageviews since July 2015 load here.
Duplicate's share of attention
Green line = duplicate's % · above 60 it owns the word · below 40 the original does
The case for each meaning
Sourced definitions, usage stats and quotes
Original · the 1400s
Certificate (document)
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12-mo pageviews—
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Duplicate · c. 1988
Public key certificate
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More duplicated terms
Cybersecurity
Virus · Computer virusWorm · Computer wormTrojan · Trojan horse (malware)Hash · Hash functionKey · Key (cryptography)Salt · Salt (cryptography)Phish · PhishingZombie · Zombie (computing)Harvest · Email harvestingInject · Code injectionPayload · Payload (computing)Realm · Realm (security)Spoof · Spoofing attackSniff · Packet sniffingExploit · Exploit (security)Shield · DDoS protectionBounty · Bug bountyRansom · Ransomware