Thistle.
Therefore.
Image
tea
rip
rip
Some words with the same beginning sound as 'continue' are: continent, content, contend, continue, and contiguous.
That would be 'Alliteration'.
month mouth mouse
That would be the literary term, Assonance.
Balancing
Some words that have the same beginning sound as "apple" are apricot, anchor, and actor.
The use of the same sound at the beginning of each word in a line or a sentence.
The repeating of beginning consonant sounds is called aliteration.