between / intervening space / interval / gap / pause

suffixes some expressions of time to tell duration rather than time or date

space; interval; among; between / extent; scope / hidden; invisible / Alternative spelling of 閑 (kan, “free time”)

one's presence as felt by others

becoming more serious

become more serious

those (referring to things distant from the speaker)

interstellar

interleaf / slip sheet

(anatomy, attributive) interosseousness or interosseality