all by one's self
"four-letter word" is another phrase meaning "curse word, so the phrase might mean that boobies is not a scientific word for breasts, but it's not considered vulgar, either.
A number increased by four.
The word 'goodbye' is derived from the phrase "God be with ye." Over time, this phrase was shortened and evolved into the word we use today.
Who are you with
A four letter word meaning not kosher is: tref
The significance is that "geopolitics" is not a PHRASE, it is a WORD. A phrase is a SEQUENCE of words that have meaning.
The word pine can have that meaning.
Nne is a swahili word and not a kikuyu word and its meaning is four.
Elba
all by one's self
An eleven letter word that means too small to be visible with the unaided is microscopic. This is in contrast with macroscopic.
bloodline, heritage