diff --git a/doc/spelling_wordlist.txt b/doc/spelling_wordlist.txt
index 9731fcfb91..7c785a9e5b 100644
--- a/doc/spelling_wordlist.txt
+++ b/doc/spelling_wordlist.txt
@@ -13,6 +13,8 @@ banktransfer
 barcode
 barcodes
 Bcc
+bic
+BIC
 boolean
 booleans
 cancelled
@@ -49,6 +51,8 @@ gunicorn
 guid
 hardcoded
 hostname
+iban
+IBAN
 ics
 idempotency
 iframe