carbonic acid; carbonated water; baking soda; sodium carbonate
acid; sourness; sour taste
stability; steadiness; equilibrium
name; given name; first name
in parentheses; bracketed
manufactured goods; finished goods; product
pharmaceutical (drug) company
to differ; to vary; to disagree
sale; offering for sale; release (for sale); launch (product)
throughout; over a period of ...; over a span of ...
disadvantage; handicap; unfavorable position
solitude; loneliness; isolation
sex hormone (e.g. estrogen, testosterone)
menstruation; menstrual period
start; commencement; beginning; initiation
uneasy feeling; sense of anxiety; malaise
premenstrual dysphoric disorder; PMDD
emotion; feeling; atmosphere; mood; spirit
instability; insecurity; crankiness
periodic; regular; routine
third day of the month; three days
together with; as X, then Y (e.g. as we age we gain wisdom, as wine matures it becomes more valuable, etc.)
three and eight; Arisaka Type 38 rifle
postpartum; after childbirth
postpartum period; postnatal period; puerperal period; puerperium
representative; representation; delegation; switchboard number; main number
pregnancy; conception; gestation
medium; average; moderation; middle school; China; volume two (of three); during (a certain time when one did or is doing something)
rising; ascending; climbing