Dive - dove
From Hull AWE
In British English, the past tense of the verb 'to dive' is dived.
In American English, dove is the usual form, pronounced to rhyme with 'stove' - with the same vowel sound as that in the first syllable of over (IPA: /əʊ/). 'When the outlaws arrived, the sheriff dove to the floor'; 'She dove particularly well in the Olympic swimming pool'. This can be misleading, because of the more common homograph,
In current British English the past tense dove is unknown, although it seems logical enough on the analogy of 'to drive'/'drove': but OED does not record it before the 19th century. In British English, the past tense of 'to dive' is 'dived'. (You may also want to see dive (irregular verb).)