As nouns the difference between phones and books
is that phones is plural of lang=en while books is plural of lang=en.
As verbs the difference between phones and books
is that phones is third-person singular of phone while books is third-person singular of book.
phones
English
Noun
(head)
Verb
(head)
(phone)
----
books
English
Noun
(head)
(pluralonly, accounting) Accounting records.
Verb
(head)
(book)
Statistics
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