[5] Achonwa was recruited as the first ever international player on the Notre Dame Fighting Irish women's basketball team.

[5] In what ended up being her final home game, the six-foot-three forward suffered a torn anterior cruciate ligament with about five minutes left in Notre Dame's 19-point victory over Baylor on March 31, 2014.

In 2015, Achonwa was selected as the Notre Dame Representative in the 2015 Atlantic Coast Conference Women's Legends Class.

She sat out the entire 2014 WNBA season due to a left knee injury she suffered during her senior year at Notre Dame in the NCAA playoffs.

[8] In the fall of 2014, while continuing her rehab, Achonwa took a job as the interim Director of Operations for the Notre Dame women's basketball program.

She was a backup center on the Fever roster in her rookie season, averaging eight ppg and 3.5 rpg in 28 games with 17 starts.

Led by their two all-stars Tamika Catchings and Marissa Coleman, the Fever advanced to the Finals facing off against the Minnesota Lynx but lost the series 3–2.

In the 2016 WNBA season, Achonwa had a reduced role on the Fever's roster playing 24 games while coming off the bench with limited minutes.

Achonwa played 18 games and started in 11, but the Fever would again miss out on the playoffs with a 6–16 record, finishing as the second-worst team in the league.

[13] In November 2016, Achonwa signed with Bucheon KEB Hana Bank, a South Korean club, for the 2016–17 off-season.

[14] In 2017, Achonwa signed with Asan Woori Bank Wibee of the South Korean league for the 2017–18 WNBA off-season.

Achonwa was invited to join the national team, to play in the 2013 FIBA Americas Championship for Women, held in Xalapa, Mexico from September 21–28, 2013.

She averaged 7.5 points per game and helped the Canadian National team to a second place, silver medal finish.

[19] The gold-medal game matched the host team Canada against the US in a sold-out arena dominated by fans in red and white and waving the Canadian flag.